Search a number
-
+
1042545061 is a prime number
BaseRepresentation
bin111110001000111…
…111100110100101
32200122201202222001
4332020333212211
54113342420221
6251241205301
734556325655
oct7610774645
92618652861
101042545061
11495542598
12251190831
13137cb528c
149c664365
15617d7391
hex3e23f9a5

1042545061 has 2 divisors, whose sum is σ = 1042545062. Its totient is φ = 1042545060.

The previous prime is 1042545011. The next prime is 1042545109. The reversal of 1042545061 is 1605452401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813960900 + 228584161 = 28530^2 + 15119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042545061 - 227 = 908327333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042545011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521272530 + 521272531.

It is an arithmetic number, because the mean of its divisors is an integer number (521272531).

Almost surely, 21042545061 is an apocalyptic number.

It is an amenable number.

1042545061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042545061 is an equidigital number, since it uses as much as digits as its factorization.

1042545061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1042545061 is about 32288.4663773305. The cubic root of 1042545061 is about 1013.9851897021.

Adding to 1042545061 its reverse (1605452401), we get a palindrome (2647997462).

The spelling of 1042545061 in words is "one billion, forty-two million, five hundred forty-five thousand, sixty-one".