61574125 has 16 divisors (see below), whose sum is σ = 77161968. Its totient is φ = 49056000.

The previous prime is 61574099. The next prime is 61574167. The reversal of 61574125 is 52147516.

It can be written as a sum of positive squares in 8 ways, for example, as 33154564 + 28419561 = 5758^2 + 5331^2 .

It is not a de Polignac number, because 61574125 - 2¹⁵ = 61541357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34249 + ... + 36001.

It is an arithmetic number, because the mean of its divisors is an integer number (4822623).

Almost surely, 2^61574125 is an apocalyptic number.

It is an amenable number.

61574125 is a deficient number, since it is larger than the sum of its proper divisors (15587843).

61574125 is a wasteful number, since it uses less digits than its factorization.

61574125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2039 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 61574125 is about 7846.9181848672. The cubic root of 61574125 is about 394.8808592238.

The spelling of 61574125 in words is "sixty-one million, five hundred seventy-four thousand, one hundred twenty-five".