62660989 has 2 divisors, whose sum is σ = 62660990. Its totient is φ = 62660988.

The previous prime is 62660987. The next prime is 62661007. The reversal of 62660989 is 98906626.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42680089 + 19980900 = 6533^2 + 4470^2 .

It is a cyclic number.

It is not a de Polignac number, because 62660989 - 2¹ = 62660987 is a prime.

Together with 62660987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62660981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31330494 + 31330495.

It is an arithmetic number, because the mean of its divisors is an integer number (31330495).

Almost surely, 2^62660989 is an apocalyptic number.

It is an amenable number.

62660989 is a deficient number, since it is larger than the sum of its proper divisors (1).

62660989 is an equidigital number, since it uses as much as digits as its factorization.

62660989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 62660989 is about 7915.8694405605. The cubic root of 62660989 is about 397.1907096595.

The spelling of 62660989 in words is "sixty-two million, six hundred sixty thousand, nine hundred eighty-nine".