45511253 has 4 divisors (see below), whose sum is σ = 45544320. Its totient is φ = 45478188.

The previous prime is 45511247. The next prime is 45511267. The reversal of 45511253 is 35211554.

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 45511253 - 2²² = 41316949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45511553) 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, 14375 + ... + 17252.

It is an arithmetic number, because the mean of its divisors is an integer number (11386080).

Almost surely, 2^45511253 is an apocalyptic number.

It is an amenable number.

45511253 is a deficient number, since it is larger than the sum of its proper divisors (33067).

45511253 is a wasteful number, since it uses less digits than its factorization.

45511253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33066.

The product of its digits is 3000, while the sum is 26.

The square root of 45511253 is about 6746.2028579046. The cubic root of 45511253 is about 357.0312777456.

The spelling of 45511253 in words is "forty-five million, five hundred eleven thousand, two hundred fifty-three".