2570231 has 4 divisors (see below), whose sum is σ = 2599200. Its totient is φ = 2541264.

The previous prime is 2570221. The next prime is 2570233. The reversal of 2570231 is 1320752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2570231 is a prime.

It is a super-2 number, since 2×2570231² = 13212174786722, 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 (2570233) 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, 14351 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (649800).

2^2570231 is an apocalyptic number.

2570231 is a deficient number, since it is larger than the sum of its proper divisors (28969).

2570231 is an equidigital number, since it uses as much as digits as its factorization.

2570231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28968.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2570231 is about 1603.1939994898. The cubic root of 2570231 is about 136.9800706265.

Adding to 2570231 its reverse (1320752), we get a palindrome (3890983).

The spelling of 2570231 in words is "two million, five hundred seventy thousand, two hundred thirty-one".