45251927 has 4 divisors (see below), whose sum is σ = 51716496. Its totient is φ = 38787360.

The previous prime is 45251903. The next prime is 45251933. The reversal of 45251927 is 72915254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45251927 - 2¹⁸ = 44989783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45253927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3232274 + ... + 3232287.

It is an arithmetic number, because the mean of its divisors is an integer number (12929124).

Almost surely, 2^45251927 is an apocalyptic number.

45251927 is a deficient number, since it is larger than the sum of its proper divisors (6464569).

45251927 is an equidigital number, since it uses as much as digits as its factorization.

45251927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464568.

The product of its digits is 25200, while the sum is 35.

The square root of 45251927 is about 6726.9552547940. The cubic root of 45251927 is about 356.3518567065.

The spelling of 45251927 in words is "forty-five million, two hundred fifty-one thousand, nine hundred twenty-seven".