62666213 has 2 divisors, whose sum is σ = 62666214. Its totient is φ = 62666212.

The previous prime is 62666209. The next prime is 62666231. The reversal of 62666213 is 31266626.

Together with next prime (62666231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60481729 + 2184484 = 7777^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 62666213 - 2² = 62666209 is a prime.

It is a super-2 number, since 2×62666213² = 7854108503522738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 62666213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62666203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31333106 + 31333107.

It is an arithmetic number, because the mean of its divisors is an integer number (31333107).

Almost surely, 2^62666213 is an apocalyptic number.

It is an amenable number.

62666213 is a deficient number, since it is larger than the sum of its proper divisors (1).

62666213 is an equidigital number, since it uses as much as digits as its factorization.

62666213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 62666213 is about 7916.1994037543. The cubic root of 62666213 is about 397.2017471841.

The spelling of 62666213 in words is "sixty-two million, six hundred sixty-six thousand, two hundred thirteen".