2501252641 has 4 divisors (see below), whose sum is σ = 2502177984. Its totient is φ = 2500327300.

The previous prime is 2501252623. The next prime is 2501252647. The reversal of 2501252641 is 1462521052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2501252641 - 2⁵ = 2501252609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501252647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458605 + ... + 464026.

It is an arithmetic number, because the mean of its divisors is an integer number (625544496).

Almost surely, 2^2501252641 is an apocalyptic number.

It is an amenable number.

2501252641 is a deficient number, since it is larger than the sum of its proper divisors (925343).

2501252641 is an equidigital number, since it uses as much as digits as its factorization.

2501252641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925342.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2501252641 is about 50012.5248412835. The cubic root of 2501252641 is about 1357.4354498348.

Adding to 2501252641 its reverse (1462521052), we get a palindrome (3963773693).

The spelling of 2501252641 in words is "two billion, five hundred one million, two hundred fifty-two thousand, six hundred forty-one".