61895025 has 36 divisors (see below), whose sum is σ = 111421440. Its totient is φ = 32844000.

The previous prime is 61894997. The next prime is 61895033. The reversal of 61895025 is 52059816.

It is a happy number.

61895025 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 61895025 - 2⁵ = 61894993 is a prime.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 53200 + ... + 54350.

It is an arithmetic number, because the mean of its divisors is an integer number (3095040).

Almost surely, 2^61895025 is an apocalyptic number.

It is an amenable number.

61895025 is a deficient number, since it is larger than the sum of its proper divisors (49526415).

61895025 is a wasteful number, since it uses less digits than its factorization.

61895025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 61895025 is about 7867.3391308625. The cubic root of 61895025 is about 395.5656586123.

The spelling of 61895025 in words is "sixty-one million, eight hundred ninety-five thousand, twenty-five".