2521962342425 has 12 divisors (see below), whose sum is σ = 3311188205436. Its totient is φ = 1898889292800.

The previous prime is 2521962342409. The next prime is 2521962342469. The reversal of 2521962342425 is 5242432691252.

It can be written as a sum of positive squares in 6 ways, for example, as 126955390864 + 2395006951561 = 356308^2 + 1547581^2 .

It is not a de Polignac number, because 2521962342425 - 2⁴ = 2521962342409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2521962342425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2967014096 + ... + 2967014945.

It is an arithmetic number, because the mean of its divisors is an integer number (275932350453).

Almost surely, 2^{2521962342425} is an apocalyptic number.

2521962342425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521962342425 is a deficient number, since it is larger than the sum of its proper divisors (789225863011).

2521962342425 is a wasteful number, since it uses less digits than its factorization.

2521962342425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934029068 (or 5934029063 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The spelling of 2521962342425 in words is "two trillion, five hundred twenty-one billion, nine hundred sixty-two million, three hundred forty-two thousand, four hundred twenty-five".