45052531 has 2 divisors, whose sum is σ = 45052532. Its totient is φ = 45052530.

The previous prime is 45052493. The next prime is 45052543. The reversal of 45052531 is 13525054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45052531 - 2²³ = 36663923 is a prime.

It is a super-3 number, since 3×45052531³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 45052496 and 45052505.

It is not a weakly prime, because it can be changed into another prime (45052571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22526265 + 22526266.

It is an arithmetic number, because the mean of its divisors is an integer number (22526266).

Almost surely, 2^45052531 is an apocalyptic number.

45052531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45052531 is an equidigital number, since it uses as much as digits as its factorization.

45052531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45052531 is about 6712.1182200554. The cubic root of 45052531 is about 355.8276819332.

Adding to 45052531 its reverse (13525054), we get a palindrome (58577585).

The spelling of 45052531 in words is "forty-five million, fifty-two thousand, five hundred thirty-one".