61945125 has 32 divisors (see below), whose sum is σ = 112454784. Its totient is φ = 30032000.

The previous prime is 61945123. The next prime is 61945129. The reversal of 61945125 is 52154916.

61945125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61945125 - 2¹ = 61945123 is a prime.

It is a super-2 number, since 2×61945125² = 7674397022531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61945123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3384 + ... + 11633.

It is an arithmetic number, because the mean of its divisors is an integer number (3514212).

Almost surely, 2^61945125 is an apocalyptic number.

It is an amenable number.

61945125 is a deficient number, since it is larger than the sum of its proper divisors (50509659).

61945125 is a wasteful number, since it uses less digits than its factorization.

61945125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046 (or 15036 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 61945125 is about 7870.5225366554. The cubic root of 61945125 is about 395.6723580593.

The spelling of 61945125 in words is "sixty-one million, nine hundred forty-five thousand, one hundred twenty-five".