2501562521 has 2 divisors, whose sum is σ = 2501562522. Its totient is φ = 2501562520.

The previous prime is 2501562517. The next prime is 2501562559. The reversal of 2501562521 is 1252651052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2501100121 + 462400 = 50011^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501562521 - 2² = 2501562517 is a prime.

It is not a weakly prime, because it can be changed into another prime (2501562221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250781260 + 1250781261.

It is an arithmetic number, because the mean of its divisors is an integer number (1250781261).

Almost surely, 2^2501562521 is an apocalyptic number.

It is an amenable number.

2501562521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501562521 is an equidigital number, since it uses as much as digits as its factorization.

2501562521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2501562521 is about 50015.6227692908. The cubic root of 2501562521 is about 1357.4915050449.

The spelling of 2501562521 in words is "two billion, five hundred one million, five hundred sixty-two thousand, five hundred twenty-one".