2500404551 has 2 divisors, whose sum is σ = 2500404552. Its totient is φ = 2500404550.

The previous prime is 2500404527. The next prime is 2500404583. The reversal of 2500404551 is 1554040052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500404551 - 2¹⁰ = 2500403527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2500404551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2500434551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250202275 + 1250202276.

It is an arithmetic number, because the mean of its divisors is an integer number (1250202276).

Almost surely, 2^2500404551 is an apocalyptic number.

2500404551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500404551 is an equidigital number, since it uses as much as digits as its factorization.

2500404551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2500404551 is about 50004.0453463517. The cubic root of 2500404551 is about 1357.2820123730.

The spelling of 2500404551 in words is "two billion, five hundred million, four hundred four thousand, five hundred fifty-one".