61701499 has 2 divisors, whose sum is σ = 61701500. Its totient is φ = 61701498.

The previous prime is 61701481. The next prime is 61701539. The reversal of 61701499 is 99410716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61701499 - 2⁷ = 61701371 is a prime.

It is not a weakly prime, because it can be changed into another prime (61701599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30850749 + 30850750.

It is an arithmetic number, because the mean of its divisors is an integer number (30850750).

Almost surely, 2^61701499 is an apocalyptic number.

61701499 is a deficient number, since it is larger than the sum of its proper divisors (1).

61701499 is an equidigital number, since it uses as much as digits as its factorization.

61701499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 61701499 is about 7855.0301718071. The cubic root of 61701499 is about 395.1529589737.

The spelling of 61701499 in words is "sixty-one million, seven hundred one thousand, four hundred ninety-nine".