61725 has 12 divisors (see below), whose sum is σ = 102176. Its totient is φ = 32880.

The previous prime is 61723. The next prime is 61729. The reversal of 61725 is 52716.

It is not a de Polignac number, because 61725 - 2¹ = 61723 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61725.

It is not an unprimeable number, because it can be changed into a prime (61723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337 + ... + 486.

2⁶¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

61725 is a deficient number, since it is larger than the sum of its proper divisors (40451).

61725 is a wasteful number, since it uses less digits than its factorization.

61725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 831 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 61725 is about 248.4451649761. The cubic root of 61725 is about 39.5203121509.

Subtracting from 61725 its reverse (52716), we obtain a palindrome (9009).

The spelling of 61725 in words is "sixty-one thousand, seven hundred twenty-five".