61514879 has 2 divisors, whose sum is σ = 61514880. Its totient is φ = 61514878.

The previous prime is 61514807. The next prime is 61514899. The reversal of 61514879 is 97841516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61514879 - 2⁸ = 61514623 is a prime.

It is a Sophie Germain 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 (61514899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757439 + 30757440.

It is an arithmetic number, because the mean of its divisors is an integer number (30757440).

Almost surely, 2^61514879 is an apocalyptic number.

61514879 is a deficient number, since it is larger than the sum of its proper divisors (1).

61514879 is an equidigital number, since it uses as much as digits as its factorization.

61514879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 61514879 is about 7843.1421636994. The cubic root of 61514879 is about 394.7541684593.

The spelling of 61514879 in words is "sixty-one million, five hundred fourteen thousand, eight hundred seventy-nine".