69290231 has 4 divisors (see below), whose sum is σ = 69483600. Its totient is φ = 69096864.

The previous prime is 69290227. The next prime is 69290269. The reversal of 69290231 is 13209296.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69290231 - 2² = 69290227 is a prime.

It is a super-2 number, since 2×69290231² = 9602272224066722, 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 (69290731) 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, 96146 + ... + 96863.

It is an arithmetic number, because the mean of its divisors is an integer number (17370900).

Almost surely, 2^69290231 is an apocalyptic number.

69290231 is a deficient number, since it is larger than the sum of its proper divisors (193369).

69290231 is a wasteful number, since it uses less digits than its factorization.

69290231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193368.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 69290231 is about 8324.0753840892. The cubic root of 69290231 is about 410.7308617769.

The spelling of 69290231 in words is "sixty-nine million, two hundred ninety thousand, two hundred thirty-one".