61342599 has 4 divisors (see below), whose sum is σ = 81790136. Its totient is φ = 40895064.

The previous prime is 61342597. The next prime is 61342649. The reversal of 61342599 is 99524316.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61342599 - 2¹ = 61342597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61342597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10223764 + ... + 10223769.

It is an arithmetic number, because the mean of its divisors is an integer number (20447534).

Almost surely, 2^61342599 is an apocalyptic number.

61342599 is a deficient number, since it is larger than the sum of its proper divisors (20447537).

61342599 is a wasteful number, since it uses less digits than its factorization.

61342599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447536.

The product of its digits is 58320, while the sum is 39.

The square root of 61342599 is about 7832.1516200850. The cubic root of 61342599 is about 394.3853046618.

The spelling of 61342599 in words is "sixty-one million, three hundred forty-two thousand, five hundred ninety-nine".