61624325 has 24 divisors (see below), whose sum is σ = 87649152. Its totient is φ = 42102720.

The previous prime is 61624313. The next prime is 61624327. The reversal of 61624325 is 52342616.

It is not a de Polignac number, because 61624325 - 2⁴ = 61624309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61624327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69032 + ... + 69918.

It is an arithmetic number, because the mean of its divisors is an integer number (3652048).

Almost surely, 2^61624325 is an apocalyptic number.

It is an amenable number.

61624325 is a deficient number, since it is larger than the sum of its proper divisors (26024827).

61624325 is a wasteful number, since it uses less digits than its factorization.

61624325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 61624325 is about 7850.1162411776. The cubic root of 61624325 is about 394.9881425699.

The spelling of 61624325 in words is "sixty-one million, six hundred twenty-four thousand, three hundred twenty-five".