2551031953 has 2 divisors, whose sum is σ = 2551031954. Its totient is φ = 2551031952.

The previous prime is 2551031921. The next prime is 2551031957. The reversal of 2551031953 is 3591301552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2435619904 + 115412049 = 49352^2 + 10743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551031953 - 2⁵ = 2551031921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551031957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275515976 + 1275515977.

It is an arithmetic number, because the mean of its divisors is an integer number (1275515977).

Almost surely, 2^2551031953 is an apocalyptic number.

It is an amenable number.

2551031953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551031953 is an equidigital number, since it uses as much as digits as its factorization.

2551031953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 2551031953 is about 50507.7415155340. The cubic root of 2551031953 is about 1366.3814774808.

The spelling of 2551031953 in words is "two billion, five hundred fifty-one million, thirty-one thousand, nine hundred fifty-three".