45677531 has 2 divisors, whose sum is σ = 45677532. Its totient is φ = 45677530.

The previous prime is 45677519. The next prime is 45677543. The reversal of 45677531 is 13577654.

It is a balanced prime because it is at equal distance from previous prime (45677519) and next prime (45677543).

It is a cyclic number.

It is not a de Polignac number, because 45677531 - 2¹⁰ = 45676507 is a prime.

It is a super-2 number, since 2×45677531² = 4172873676511922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45677131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22838765 + 22838766.

It is an arithmetic number, because the mean of its divisors is an integer number (22838766).

Almost surely, 2^45677531 is an apocalyptic number.

45677531 is the 3023-rd centered decagonal number.

45677531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45677531 is an equidigital number, since it uses as much as digits as its factorization.

45677531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 38.

The square root of 45677531 is about 6758.5154434979. The cubic root of 45677531 is about 357.4655607687.

The spelling of 45677531 in words is "forty-five million, six hundred seventy-seven thousand, five hundred thirty-one".