2431404220525 has 24 divisors (see below), whose sum is σ = 3447964673280. Its totient is φ = 1666127213760.

The previous prime is 2431404220523. The next prime is 2431404220537. The reversal of 2431404220525 is 5250224041342.

It is not a de Polignac number, because 2431404220525 - 2¹ = 2431404220523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431404220523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4411510 + ... + 4931959.

It is an arithmetic number, because the mean of its divisors is an integer number (143665194720).

Almost surely, 2^{2431404220525} is an apocalyptic number.

2431404220525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2431404220525 is a deficient number, since it is larger than the sum of its proper divisors (1016560452755).

2431404220525 is a wasteful number, since it uses less digits than its factorization.

2431404220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344973 (or 9344968 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 2431404220525 its reverse (5250224041342), we get a palindrome (7681628261867).

The spelling of 2431404220525 in words is "two trillion, four hundred thirty-one billion, four hundred four million, two hundred twenty thousand, five hundred twenty-five".