61925113 has 4 divisors (see below), whose sum is σ = 61943908. Its totient is φ = 61906320.

The previous prime is 61925111. The next prime is 61925137. The reversal of 61925113 is 31152916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50310649 + 11614464 = 7093^2 + 3408^2 .

It is a cyclic number.

It is not a de Polignac number, because 61925113 - 2¹ = 61925111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61925111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (15485977).

Almost surely, 2^61925113 is an apocalyptic number.

It is an amenable number.

61925113 is a deficient number, since it is larger than the sum of its proper divisors (18795).

61925113 is a wasteful number, since it uses less digits than its factorization.

61925113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794.

The product of its digits is 1620, while the sum is 28.

The square root of 61925113 is about 7869.2511079518. The cubic root of 61925113 is about 395.6297448159.

The spelling of 61925113 in words is "sixty-one million, nine hundred twenty-five thousand, one hundred thirteen".