62512561 has 2 divisors, whose sum is σ = 62512562. Its totient is φ = 62512560.

The previous prime is 62512559. The next prime is 62512579. The reversal of 62512561 is 16521526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 23824161 = 6220^2 + 4881^2 .

It is a cyclic number.

It is not a de Polignac number, because 62512561 - 2¹ = 62512559 is a prime.

Together with 62512559, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (62512501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31256280 + 31256281.

It is an arithmetic number, because the mean of its divisors is an integer number (31256281).

Almost surely, 2^62512561 is an apocalyptic number.

It is an amenable number.

62512561 is a deficient number, since it is larger than the sum of its proper divisors (1).

62512561 is an equidigital number, since it uses as much as digits as its factorization.

62512561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 62512561 is about 7906.4885379035. The cubic root of 62512561 is about 396.8768470040.

The spelling of 62512561 in words is "sixty-two million, five hundred twelve thousand, five hundred sixty-one".