61465425 has 72 divisors (see below), whose sum is σ = 120902976. Its totient is φ = 26981760.

The previous prime is 61465403. The next prime is 61465429. The reversal of 61465425 is 52456416.

It is not a de Polignac number, because 61465425 - 2¹¹ = 61463377 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61465429) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1159699 + ... + 1159751.

It is an arithmetic number, because the mean of its divisors is an integer number (1679208).

Almost surely, 2^61465425 is an apocalyptic number.

It is an amenable number.

61465425 is a deficient number, since it is larger than the sum of its proper divisors (59437551).

61465425 is a wasteful number, since it uses less digits than its factorization.

61465425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 115 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 61465425 is about 7839.9888392778. The cubic root of 61465425 is about 394.6483544577.

Subtracting from 61465425 its reverse (52456416), we obtain a palindrome (9009009).

The spelling of 61465425 in words is "sixty-one million, four hundred sixty-five thousand, four hundred twenty-five".