2523332621 has 2 divisors, whose sum is σ = 2523332622. Its totient is φ = 2523332620.

The previous prime is 2523332587. The next prime is 2523332629. The reversal of 2523332621 is 1262333252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2458771396 + 64561225 = 49586^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523332621 - 2⁶ = 2523332557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523332629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261666310 + 1261666311.

It is an arithmetic number, because the mean of its divisors is an integer number (1261666311).

Almost surely, 2^2523332621 is an apocalyptic number.

It is an amenable number.

2523332621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523332621 is an equidigital number, since it uses as much as digits as its factorization.

2523332621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 2523332621 is about 50232.7843245823. The cubic root of 2523332621 is about 1361.4180388454.

Adding to 2523332621 its reverse (1262333252), we get a palindrome (3785665873).

The spelling of 2523332621 in words is "two billion, five hundred twenty-three million, three hundred thirty-two thousand, six hundred twenty-one".