62661331 has 2 divisors, whose sum is σ = 62661332. Its totient is φ = 62661330.

The previous prime is 62661329. The next prime is 62661341. The reversal of 62661331 is 13316626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 62661331 - 2¹ = 62661329 is a prime.

It is a super-2 number, since 2×62661331² = 7852884805383122, which contains 22 as substring.

Together with 62661329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 62661331.

It is not a weakly prime, because it can be changed into another prime (62661301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31330665 + 31330666.

It is an arithmetic number, because the mean of its divisors is an integer number (31330666).

Almost surely, 2^62661331 is an apocalyptic number.

62661331 is a deficient number, since it is larger than the sum of its proper divisors (1).

62661331 is an equidigital number, since it uses as much as digits as its factorization.

62661331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 62661331 is about 7915.8910427064. The cubic root of 62661331 is about 397.1914322727.

Adding to 62661331 its reverse (13316626), we get a palindrome (75977957).

The spelling of 62661331 in words is "sixty-two million, six hundred sixty-one thousand, three hundred thirty-one".