61598099 has 2 divisors, whose sum is σ = 61598100. Its totient is φ = 61598098.

The previous prime is 61598027. The next prime is 61598111. The reversal of 61598099 is 99089516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61598099 - 2¹⁶ = 61532563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61595099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30799049 + 30799050.

It is an arithmetic number, because the mean of its divisors is an integer number (30799050).

Almost surely, 2^61598099 is an apocalyptic number.

61598099 is a deficient number, since it is larger than the sum of its proper divisors (1).

61598099 is an equidigital number, since it uses as much as digits as its factorization.

61598099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 61598099 is about 7848.4456422912. The cubic root of 61598099 is about 394.9321017727.

The spelling of 61598099 in words is "sixty-one million, five hundred ninety-eight thousand, ninety-nine".