626060981 has 16 divisors (see below), whose sum is σ = 773869824. Its totient is φ = 493202304.

The previous prime is 626060971. The next prime is 626060993. The reversal of 626060981 is 189060626.

It is not a de Polignac number, because 626060981 - 2⁶ = 626060917 is a prime.

It is a super-2 number, since 2×626060981² = 783904703861364722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626060971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6440 + ... + 35966.

It is an arithmetic number, because the mean of its divisors is an integer number (48366864).

Almost surely, 2^626060981 is an apocalyptic number.

It is an amenable number.

626060981 is a deficient number, since it is larger than the sum of its proper divisors (147808843).

626060981 is a wasteful number, since it uses less digits than its factorization.

626060981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29780.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 626060981 is about 25021.2106221901. The cubic root of 626060981 is about 855.4715003652.

The spelling of 626060981 in words is "six hundred twenty-six million, sixty thousand, nine hundred eighty-one".