61625593 has 4 divisors (see below), whose sum is σ = 61641828. Its totient is φ = 61609360.

The previous prime is 61625587. The next prime is 61625623. The reversal of 61625593 is 39552616.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 43204329 = 4292^2 + 6573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61625593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61625393) 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, 963 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (15410457).

Almost surely, 2^61625593 is an apocalyptic number.

It is an amenable number.

61625593 is a deficient number, since it is larger than the sum of its proper divisors (16235).

61625593 is a wasteful number, since it uses less digits than its factorization.

61625593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234.

The product of its digits is 48600, while the sum is 37.

The square root of 61625593 is about 7850.1970038974. The cubic root of 61625593 is about 394.9908516815.

The spelling of 61625593 in words is "sixty-one million, six hundred twenty-five thousand, five hundred ninety-three".