2431015225 has 6 divisors (see below), whose sum is σ = 3014458910. Its totient is φ = 1944812160.

The previous prime is 2431015193. The next prime is 2431015229. The reversal of 2431015225 is 5225101342.

It can be written as a sum of positive squares in 3 ways, for example, as 47720464 + 2383294761 = 6908^2 + 48819^2 .

It is not a de Polignac number, because 2431015225 - 2⁵ = 2431015193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 97240609 = 2431015225 / (2 + 4 + 3 + 1 + 0 + 1 + 5 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2431015225.

It is not an unprimeable number, because it can be changed into a prime (2431015229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48620280 + ... + 48620329.

Almost surely, 2^2431015225 is an apocalyptic number.

2431015225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2431015225 is a deficient number, since it is larger than the sum of its proper divisors (583443685).

2431015225 is an equidigital number, since it uses as much as digits as its factorization.

2431015225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97240619 (or 97240614 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2431015225 is about 49305.3265378093. The cubic root of 2431015225 is about 1344.6086256415.

Adding to 2431015225 its reverse (5225101342), we get a palindrome (7656116567).

The spelling of 2431015225 in words is "two billion, four hundred thirty-one million, fifteen thousand, two hundred twenty-five".