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1042485401 is a prime number
BaseRepresentation
bin111110001000110…
…001000010011001
32200122121202010102
4332020301002121
54113334013101
6251240025145
734555660016
oct7610610231
92618552112
101042485401
11495501791
122511621b5
13137c94089
149c64a70d
15617c486b
hex3e231099

1042485401 has 2 divisors, whose sum is σ = 1042485402. Its totient is φ = 1042485400.

The previous prime is 1042485383. The next prime is 1042485413. The reversal of 1042485401 is 1045842401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886610176 + 155875225 = 29776^2 + 12485^2 .

It is an emirp because it is prime and its reverse (1045842401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042485401 is a prime.

It is a super-2 number, since 2×10424854012 = 2173551622596261602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042485491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521242700 + 521242701.

It is an arithmetic number, because the mean of its divisors is an integer number (521242701).

Almost surely, 21042485401 is an apocalyptic number.

It is an amenable number.

1042485401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042485401 is an equidigital number, since it uses as much as digits as its factorization.

1042485401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 1042485401 is about 32287.5425048114. The cubic root of 1042485401 is about 1013.9658474493.

The spelling of 1042485401 in words is "one billion, forty-two million, four hundred eighty-five thousand, four hundred one".