61823025 has 36 divisors (see below), whose sum is σ = 120803280. Its totient is φ = 29973600.

The previous prime is 61822997. The next prime is 61823029. The reversal of 61823025 is 52032816.

61823025 is a `hidden beast` number, since 618 + 23 + 0 + 25 = 666.

It is not a de Polignac number, because 61823025 - 2⁵ = 61822993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61823025.

It is not an unprimeable number, because it can be changed into a prime (61823029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10015 + ... + 14964.

Almost surely, 2^61823025 is an apocalyptic number.

It is an amenable number.

61823025 is a deficient number, since it is larger than the sum of its proper divisors (58980255).

61823025 is a wasteful number, since it uses less digits than its factorization.

61823025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006 (or 24998 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 61823025 is about 7862.7619193258. The cubic root of 61823025 is about 395.4122172113.

The spelling of 61823025 in words is "sixty-one million, eight hundred twenty-three thousand, twenty-five".