61075459 has 2 divisors, whose sum is σ = 61075460. Its totient is φ = 61075458.

The previous prime is 61075433. The next prime is 61075499. The reversal of 61075459 is 95457016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61075459 - 2⁷ = 61075331 is a prime.

It is not a weakly prime, because it can be changed into another prime (61075499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30537729 + 30537730.

It is an arithmetic number, because the mean of its divisors is an integer number (30537730).

Almost surely, 2^61075459 is an apocalyptic number.

61075459 is a deficient number, since it is larger than the sum of its proper divisors (1).

61075459 is an equidigital number, since it uses as much as digits as its factorization.

61075459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 61075459 is about 7815.0789503370. The cubic root of 61075459 is about 393.8119706275.

The spelling of 61075459 in words is "sixty-one million, seventy-five thousand, four hundred fifty-nine".