2657124251 has 2 divisors, whose sum is σ = 2657124252. Its totient is φ = 2657124250.

The previous prime is 2657124233. The next prime is 2657124287. The reversal of 2657124251 is 1524217562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2657124251 is a prime.

It is a super-2 number, since 2×2657124251² = 14120618570504622002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2657124551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328562125 + 1328562126.

It is an arithmetic number, because the mean of its divisors is an integer number (1328562126).

Almost surely, 2^2657124251 is an apocalyptic number.

2657124251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657124251 is an equidigital number, since it uses as much as digits as its factorization.

2657124251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 2657124251 is about 51547.3011029676. The cubic root of 2657124251 is about 1385.0664864015.

The spelling of 2657124251 in words is "two billion, six hundred fifty-seven million, one hundred twenty-four thousand, two hundred fifty-one".