61534079 has 2 divisors, whose sum is σ = 61534080. Its totient is φ = 61534078.

The previous prime is 61534051. The next prime is 61534087. The reversal of 61534079 is 97043516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61534079 - 2²⁴ = 44756863 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 (61534009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30767039 + 30767040.

It is an arithmetic number, because the mean of its divisors is an integer number (30767040).

Almost surely, 2^61534079 is an apocalyptic number.

61534079 is a deficient number, since it is larger than the sum of its proper divisors (1).

61534079 is an equidigital number, since it uses as much as digits as its factorization.

61534079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 61534079 is about 7844.3660674397. The cubic root of 61534079 is about 394.7952343594.

The spelling of 61534079 in words is "sixty-one million, five hundred thirty-four thousand, seventy-nine".