62561399 has 2 divisors, whose sum is σ = 62561400. Its totient is φ = 62561398.

The previous prime is 62561353. The next prime is 62561419. The reversal of 62561399 is 99316526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62561399 - 2¹⁶ = 62495863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62561899) 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, 31280699 + 31280700.

It is an arithmetic number, because the mean of its divisors is an integer number (31280700).

Almost surely, 2^62561399 is an apocalyptic number.

62561399 is a deficient number, since it is larger than the sum of its proper divisors (1).

62561399 is an equidigital number, since it uses as much as digits as its factorization.

62561399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 62561399 is about 7909.5764109085. The cubic root of 62561399 is about 396.9801735769.

The spelling of 62561399 in words is "sixty-two million, five hundred sixty-one thousand, three hundred ninety-nine".