61600499 has 2 divisors, whose sum is σ = 61600500. Its totient is φ = 61600498.

The previous prime is 61600493. The next prime is 61600501. The reversal of 61600499 is 99400616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61600499 is a prime.

It is a Sophie Germain prime.

Together with 61600501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61600493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800249 + 30800250.

It is an arithmetic number, because the mean of its divisors is an integer number (30800250).

Almost surely, 2^61600499 is an apocalyptic number.

61600499 is a deficient number, since it is larger than the sum of its proper divisors (1).

61600499 is an equidigital number, since it uses as much as digits as its factorization.

61600499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 61600499 is about 7848.5985373186. The cubic root of 61600499 is about 394.9372308527.

The spelling of 61600499 in words is "sixty-one million, six hundred thousand, four hundred ninety-nine".