45670531 has 2 divisors, whose sum is σ = 45670532. Its totient is φ = 45670530.

The previous prime is 45670523. The next prime is 45670579. The reversal of 45670531 is 13507654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45670531 - 2³ = 45670523 is a prime.

It is a super-2 number, since 2×45670531² = 4171594803643922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45670493 and 45670502.

It is not a weakly prime, because it can be changed into another prime (45670631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22835265 + 22835266.

It is an arithmetic number, because the mean of its divisors is an integer number (22835266).

Almost surely, 2^45670531 is an apocalyptic number.

45670531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45670531 is an equidigital number, since it uses as much as digits as its factorization.

45670531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 45670531 is about 6757.9975584488. The cubic root of 45670531 is about 357.4472995164.

The spelling of 45670531 in words is "forty-five million, six hundred seventy thousand, five hundred thirty-one".