62506256881 has 2 divisors, whose sum is σ = 62506256882. Its totient is φ = 62506256880.

The previous prime is 62506256851. The next prime is 62506256909. The reversal of 62506256881 is 18865260526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39283240000 + 23223016881 = 198200^2 + 152391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62506256881 is a prime.

It is a super-2 number, since 2×62506256881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (62506256801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31253128440 + 31253128441.

It is an arithmetic number, because the mean of its divisors is an integer number (31253128441).

Almost surely, 2^62506256881 is an apocalyptic number.

It is an amenable number.

62506256881 is a deficient number, since it is larger than the sum of its proper divisors (1).

62506256881 is an equidigital number, since it uses as much as digits as its factorization.

62506256881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 62506256881 in words is "sixty-two billion, five hundred six million, two hundred fifty-six thousand, eight hundred eighty-one".