2554625251 has 2 divisors, whose sum is σ = 2554625252. Its totient is φ = 2554625250.

The previous prime is 2554625243. The next prime is 2554625257. The reversal of 2554625251 is 1525264552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2554625251 - 2³ = 2554625243 is a prime.

It is a super-2 number, since 2×2554625251² = 13052220346093626002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2554625251.

It is not a weakly prime, because it can be changed into another prime (2554625257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277312625 + 1277312626.

It is an arithmetic number, because the mean of its divisors is an integer number (1277312626).

Almost surely, 2^2554625251 is an apocalyptic number.

2554625251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554625251 is an equidigital number, since it uses as much as digits as its factorization.

2554625251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The square root of 2554625251 is about 50543.3007529188. The cubic root of 2554625251 is about 1367.0227228612.

The spelling of 2554625251 in words is "two billion, five hundred fifty-four million, six hundred twenty-five thousand, two hundred fifty-one".