75025231 has 2 divisors, whose sum is σ = 75025232. Its totient is φ = 75025230.

The previous prime is 75025219. The next prime is 75025253. The reversal of 75025231 is 13252057.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75025231 - 2²⁵ = 41470799 is a prime.

It is a super-2 number, since 2×75025231² = 11257570573206722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75025196 and 75025205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75025201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37512615 + 37512616.

It is an arithmetic number, because the mean of its divisors is an integer number (37512616).

Almost surely, 2^75025231 is an apocalyptic number.

75025231 is a deficient number, since it is larger than the sum of its proper divisors (1).

75025231 is an equidigital number, since it uses as much as digits as its factorization.

75025231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 75025231 is about 8661.7106278148. The cubic root of 75025231 is about 421.7636176812.

Adding to 75025231 its reverse (13252057), we get a palindrome (88277288).

The spelling of 75025231 in words is "seventy-five million, twenty-five thousand, two hundred thirty-one".