25164042 has 8 divisors (see below), whose sum is σ = 50328096. Its totient is φ = 8388012.

The previous prime is 25164019. The next prime is 25164043. The reversal of 25164042 is 24046152.

It is a sphenic number, since it is the product of 3 distinct primes.

25164042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25164043) 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, 2096998 + ... + 2097009.

It is an arithmetic number, because the mean of its divisors is an integer number (6291012).

Almost surely, 2^25164042 is an apocalyptic number.

25164042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25164042 is a wasteful number, since it uses less digits than its factorization.

25164042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194012.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 25164042 is about 5016.3773781485. The cubic root of 25164042 is about 293.0399290169.

The spelling of 25164042 in words is "twenty-five million, one hundred sixty-four thousand, forty-two".