2637290251 has 2 divisors, whose sum is σ = 2637290252. Its totient is φ = 2637290250.

The previous prime is 2637290237. The next prime is 2637290261. The reversal of 2637290251 is 1520927362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2637290251 - 2¹³ = 2637282059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2637290251.

It is not a weakly prime, because it can be changed into another prime (2637290221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318645125 + 1318645126.

It is an arithmetic number, because the mean of its divisors is an integer number (1318645126).

Almost surely, 2^2637290251 is an apocalyptic number.

2637290251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2637290251 is an equidigital number, since it uses as much as digits as its factorization.

2637290251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2637290251 is about 51354.5543355212. The cubic root of 2637290251 is about 1381.6116176477.

The spelling of 2637290251 in words is "two billion, six hundred thirty-seven million, two hundred ninety thousand, two hundred fifty-one".