61075499 has 2 divisors, whose sum is σ = 61075500. Its totient is φ = 61075498.

The previous prime is 61075459. The next prime is 61075507. The reversal of 61075499 is 99457016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61075499 - 2⁸ = 61075243 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (61075459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30537749 + 30537750.

It is an arithmetic number, because the mean of its divisors is an integer number (30537750).

Almost surely, 2^61075499 is an apocalyptic number.

61075499 is a deficient number, since it is larger than the sum of its proper divisors (1).

61075499 is an equidigital number, since it uses as much as digits as its factorization.

61075499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 61075499 is about 7815.0815094918. The cubic root of 61075499 is about 393.8120566002.

The spelling of 61075499 in words is "sixty-one million, seventy-five thousand, four hundred ninety-nine".