2431265 has 8 divisors (see below), whose sum is σ = 2957928. Its totient is φ = 1918080.

The previous prime is 2431241. The next prime is 2431279. The reversal of 2431265 is 5621342.

It can be written as a sum of positive squares in 4 ways, for example, as 833569 + 1597696 = 913^2 + 1264^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2431265 - 2⁶ = 2431201 is a prime.

It is a super-2 number, since 2×2431265² = 11822099000450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (369741).

2^2431265 is an apocalyptic number.

It is an amenable number.

2431265 is a deficient number, since it is larger than the sum of its proper divisors (526663).

2431265 is an equidigital number, since it uses as much as digits as its factorization.

2431265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739.

The product of its digits is 1440, while the sum is 23.

The square root of 2431265 is about 1559.2514229591. The cubic root of 2431265 is about 134.4654674732.

The spelling of 2431265 in words is "two million, four hundred thirty-one thousand, two hundred sixty-five".