61625163 has 8 divisors (see below), whose sum is σ = 82280448. Its totient is φ = 41026664.

The previous prime is 61625159. The next prime is 61625177. The reversal of 61625163 is 36152616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61625163 - 2² = 61625159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61625163.

It is not an unprimeable number, because it can be changed into a prime (61625143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11595 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (10285056).

Almost surely, 2^61625163 is an apocalyptic number.

61625163 is a deficient number, since it is larger than the sum of its proper divisors (20655285).

61625163 is a wasteful number, since it uses less digits than its factorization.

61625163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28393.

The product of its digits is 6480, while the sum is 30.

The square root of 61625163 is about 7850.1696160019. The cubic root of 61625163 is about 394.9899329806.

Adding to 61625163 its reverse (36152616), we get a palindrome (97777779).

It can be divided in two parts, 6162 and 5163, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 61625163 in words is "sixty-one million, six hundred twenty-five thousand, one hundred sixty-three".