61585607 has 4 divisors (see below), whose sum is σ = 61638936. Its totient is φ = 61532280.

The previous prime is 61585603. The next prime is 61585609. The reversal of 61585607 is 70658516.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61585607 - 2² = 61585603 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 (61585603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24893 + ... + 27254.

It is an arithmetic number, because the mean of its divisors is an integer number (15409734).

Almost surely, 2^61585607 is an apocalyptic number.

61585607 is a deficient number, since it is larger than the sum of its proper divisors (53329).

61585607 is a wasteful number, since it uses less digits than its factorization.

61585607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53328.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 61585607 is about 7847.6497755698. The cubic root of 61585607 is about 394.9054027596.

The spelling of 61585607 in words is "sixty-one million, five hundred eighty-five thousand, six hundred seven".