61489325 has 12 divisors (see below), whose sum is σ = 76352628. Its totient is φ = 49123200.

The previous prime is 61489321. The next prime is 61489331. The reversal of 61489325 is 52398416.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2951524 + 58537801 = 1718^2 + 7651^2 .

It is not a de Polignac number, because 61489325 - 2² = 61489321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61489321) 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, 24635 + ... + 27015.

It is an arithmetic number, because the mean of its divisors is an integer number (6362719).

Almost surely, 2^61489325 is an apocalyptic number.

It is an amenable number.

61489325 is a deficient number, since it is larger than the sum of its proper divisors (14863303).

61489325 is a wasteful number, since it uses less digits than its factorization.

61489325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3419 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 61489325 is about 7841.5129280006. The cubic root of 61489325 is about 394.6994990561.

Subtracting from 61489325 its reverse (52398416), we obtain a palindrome (9090909).

The spelling of 61489325 in words is "sixty-one million, four hundred eighty-nine thousand, three hundred twenty-five".