45632791 has 2 divisors, whose sum is σ = 45632792. Its totient is φ = 45632790.

The previous prime is 45632789. The next prime is 45632843. The reversal of 45632791 is 19723654.

45632791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45632791 - 2¹ = 45632789 is a prime.

It is a super-2 number, since 2×45632791² = 4164703228899362, which contains 22 as substring.

Together with 45632789, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45632791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45632701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22816395 + 22816396.

It is an arithmetic number, because the mean of its divisors is an integer number (22816396).

Almost surely, 2^45632791 is an apocalyptic number.

45632791 is a deficient number, since it is larger than the sum of its proper divisors (1).

45632791 is an equidigital number, since it uses as much as digits as its factorization.

45632791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 45632791 is about 6755.2047341291. The cubic root of 45632791 is about 357.3488131157.

The spelling of 45632791 in words is "forty-five million, six hundred thirty-two thousand, seven hundred ninety-one".