2502461021 has 4 divisors (see below), whose sum is σ = 2502561600. Its totient is φ = 2502360444.

The previous prime is 2502460993. The next prime is 2502461023. The reversal of 2502461021 is 1201642052.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2502461021 - 2¹⁰ = 2502459997 is a prime.

It is a super-2 number, since 2×2502461021² = 12524622323248724882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502461023) 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, 17420 + ... + 72858.

It is an arithmetic number, because the mean of its divisors is an integer number (625640400).

Almost surely, 2^2502461021 is an apocalyptic number.

It is an amenable number.

2502461021 is a deficient number, since it is larger than the sum of its proper divisors (100579).

2502461021 is an equidigital number, since it uses as much as digits as its factorization.

2502461021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100578.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2502461021 is about 50024.6041563549. The cubic root of 2502461021 is about 1357.6540114926.

The spelling of 2502461021 in words is "two billion, five hundred two million, four hundred sixty-one thousand, twenty-one".