62991601 has 2 divisors, whose sum is σ = 62991602. Its totient is φ = 62991600.

The previous prime is 62991583. The next prime is 62991629. The reversal of 62991601 is 10619926.

62991601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33005025 + 29986576 = 5745^2 + 5476^2 .

It is a cyclic number.

It is not a de Polignac number, because 62991601 - 2²⁵ = 29437169 is a prime.

It is not a weakly prime, because it can be changed into another prime (62991661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31495800 + 31495801.

It is an arithmetic number, because the mean of its divisors is an integer number (31495801).

Almost surely, 2^62991601 is an apocalyptic number.

It is an amenable number.

62991601 is a deficient number, since it is larger than the sum of its proper divisors (1).

62991601 is an equidigital number, since it uses as much as digits as its factorization.

62991601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 62991601 is about 7936.7248282903. The cubic root of 62991601 is about 397.8880374104. Note that the first 3 decimals are identical.

The spelling of 62991601 in words is "sixty-two million, nine hundred ninety-one thousand, six hundred one".