75456253 has 4 divisors (see below), whose sum is σ = 75496000. Its totient is φ = 75416508.

The previous prime is 75456229. The next prime is 75456257. The reversal of 75456253 is 35265457.

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 75456253 - 2²¹ = 73359101 is a prime.

It is a super-2 number, since 2×75456253² = 11387292233600018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75456257) 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, 16875 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (18874000).

Almost surely, 2^75456253 is an apocalyptic number.

It is an amenable number.

75456253 is a deficient number, since it is larger than the sum of its proper divisors (39747).

75456253 is a wasteful number, since it uses less digits than its factorization.

75456253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39746.

The product of its digits is 126000, while the sum is 37.

The square root of 75456253 is about 8686.5558767558. Note that the first 3 decimals coincide. The cubic root of 75456253 is about 422.5697570476.

The spelling of 75456253 in words is "seventy-five million, four hundred fifty-six thousand, two hundred fifty-three".