231925669 has 4 divisors (see below), whose sum is σ = 231959680. Its totient is φ = 231891660.

The previous prime is 231925651. The next prime is 231925697. The reversal of 231925669 is 966529132.

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 231925669 - 2⁷ = 231925541 is a prime.

It is a super-2 number, since 2×231925669² = 107579031882195122, 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 (231925619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847 + ... + 21724.

It is an arithmetic number, because the mean of its divisors is an integer number (57989920).

Almost surely, 2^231925669 is an apocalyptic number.

It is an amenable number.

231925669 is a deficient number, since it is larger than the sum of its proper divisors (34011).

231925669 is an equidigital number, since it uses as much as digits as its factorization.

231925669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010.

The product of its digits is 174960, while the sum is 43.

The square root of 231925669 is about 15229.1059816392. The cubic root of 231925669 is about 614.3977350293.

The spelling of 231925669 in words is "two hundred thirty-one million, nine hundred twenty-five thousand, six hundred sixty-nine".