61079531 has 2 divisors, whose sum is σ = 61079532. Its totient is φ = 61079530.

The previous prime is 61079407. The next prime is 61079569. The reversal of 61079531 is 13597016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61079531 - 2¹⁴ = 61063147 is a prime.

It is a super-2 number, since 2×61079531² = 7461418214359922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61079231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30539765 + 30539766.

It is an arithmetic number, because the mean of its divisors is an integer number (30539766).

Almost surely, 2^61079531 is an apocalyptic number.

61079531 is a deficient number, since it is larger than the sum of its proper divisors (1).

61079531 is an equidigital number, since it uses as much as digits as its factorization.

61079531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 61079531 is about 7815.3394679950. The cubic root of 61079531 is about 393.8207224608.

The spelling of 61079531 in words is "sixty-one million, seventy-nine thousand, five hundred thirty-one".