45251053 has 4 divisors (see below), whose sum is σ = 46018080. Its totient is φ = 44484028.

The previous prime is 45251039. The next prime is 45251077. The reversal of 45251053 is 35015254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45251053 - 2²⁵ = 11696621 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 (45251153) 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, 383425 + ... + 383542.

It is an arithmetic number, because the mean of its divisors is an integer number (11504520).

Almost surely, 2^45251053 is an apocalyptic number.

It is an amenable number.

45251053 is a deficient number, since it is larger than the sum of its proper divisors (767027).

45251053 is an equidigital number, since it uses as much as digits as its factorization.

45251053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767026.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45251053 is about 6726.8902919551. The cubic root of 45251053 is about 356.3495624873.

The spelling of 45251053 in words is "forty-five million, two hundred fifty-one thousand, fifty-three".