45532631 has 2 divisors, whose sum is σ = 45532632. Its totient is φ = 45532630.

The previous prime is 45532621. The next prime is 45532633. The reversal of 45532631 is 13623554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45532631 - 2⁶ = 45532567 is a prime.

It is a super-2 number, since 2×45532631² = 4146440971564322, which contains 22 as substring.

Together with 45532633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45532594 and 45532603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45532633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22766315 + 22766316.

It is an arithmetic number, because the mean of its divisors is an integer number (22766316).

Almost surely, 2^45532631 is an apocalyptic number.

45532631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45532631 is an equidigital number, since it uses as much as digits as its factorization.

45532631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 45532631 is about 6747.7871187523. The cubic root of 45532631 is about 357.0871717599.

The spelling of 45532631 in words is "forty-five million, five hundred thirty-two thousand, six hundred thirty-one".