45259631 has 2 divisors, whose sum is σ = 45259632. Its totient is φ = 45259630.

The previous prime is 45259619. The next prime is 45259657. The reversal of 45259631 is 13695254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45259631 is a prime.

It is a super-4 number, since 4×45259631⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45259591 and 45259600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45259601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22629815 + 22629816.

It is an arithmetic number, because the mean of its divisors is an integer number (22629816).

Almost surely, 2^45259631 is an apocalyptic number.

45259631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45259631 is an equidigital number, since it uses as much as digits as its factorization.

45259631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 45259631 is about 6727.5278520419. The cubic root of 45259631 is about 356.3720781579.

The spelling of 45259631 in words is "forty-five million, two hundred fifty-nine thousand, six hundred thirty-one".