61625159 has 2 divisors, whose sum is σ = 61625160. Its totient is φ = 61625158.

The previous prime is 61625143. The next prime is 61625177. The reversal of 61625159 is 95152616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61625159 - 2⁴ = 61625143 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 (61621159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30812579 + 30812580.

It is an arithmetic number, because the mean of its divisors is an integer number (30812580).

Almost surely, 2^61625159 is an apocalyptic number.

61625159 is a deficient number, since it is larger than the sum of its proper divisors (1).

61625159 is an equidigital number, since it uses as much as digits as its factorization.

61625159 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 61625159 is about 7850.1693612304. The cubic root of 61625159 is about 394.9899244346.

The spelling of 61625159 in words is "sixty-one million, six hundred twenty-five thousand, one hundred fifty-nine".