62561951 has 2 divisors, whose sum is σ = 62561952. Its totient is φ = 62561950.

The previous prime is 62561923. The next prime is 62561953. The reversal of 62561951 is 15916526.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62561951 is a prime.

It is a Sophie Germain prime.

Together with 62561953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62561953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31280975 + 31280976.

It is an arithmetic number, because the mean of its divisors is an integer number (31280976).

Almost surely, 2^62561951 is an apocalyptic number.

62561951 is a deficient number, since it is larger than the sum of its proper divisors (1).

62561951 is an equidigital number, since it uses as much as digits as its factorization.

62561951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 62561951 is about 7909.6113052412. The cubic root of 62561951 is about 396.9813411361.

The spelling of 62561951 in words is "sixty-two million, five hundred sixty-one thousand, nine hundred fifty-one".