2415231 has 32 divisors (see below), whose sum is σ = 4408320. Its totient is φ = 1272672.

The previous prime is 2415221. The next prime is 2415233. The reversal of 2415231 is 1325142.

It is not a de Polignac number, because 2415231 - 2⁶ = 2415167 is a prime.

It is a super-2 number, since 2×2415231² = 11666681566722, which contains 22 as substring.

2415231 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2415233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2^2415231 is an apocalyptic number.

2415231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2415231 is a deficient number, since it is larger than the sum of its proper divisors (1993089).

2415231 is a wasteful number, since it uses less digits than its factorization.

2415231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1006 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2415231 is about 1554.1013480465. The cubic root of 2415231 is about 134.1692189030.

The spelling of 2415231 in words is "two million, four hundred fifteen thousand, two hundred thirty-one".