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1057458901 is a prime number
BaseRepresentation
bin111111000001111…
…000101011010101
32201200210110220111
4333001320223111
54131202141101
6252533003021
735130152362
oct7701705325
92650713814
101057458901
114a29a9584
12256183471
1313b107635
14a0627469
1562c81251
hex3f078ad5

1057458901 has 2 divisors, whose sum is σ = 1057458902. Its totient is φ = 1057458900.

The previous prime is 1057458893. The next prime is 1057458911. The reversal of 1057458901 is 1098547501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042644100 + 14814801 = 32290^2 + 3849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057458901 - 23 = 1057458893 is a prime.

It is a super-2 number, since 2×10574589012 = 2236438654608255602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057458911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528729450 + 528729451.

It is an arithmetic number, because the mean of its divisors is an integer number (528729451).

Almost surely, 21057458901 is an apocalyptic number.

It is an amenable number.

1057458901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057458901 is an equidigital number, since it uses as much as digits as its factorization.

1057458901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1057458901 is about 32518.5931583763. The cubic root of 1057458901 is about 1018.7974103872.

The spelling of 1057458901 in words is "one billion, fifty-seven million, four hundred fifty-eight thousand, nine hundred one".