25004142 has 24 divisors (see below), whose sum is σ = 54330120. Its totient is φ = 8310960.

The previous prime is 25004131. The next prime is 25004143. The reversal of 25004142 is 24140052.

25004142 is a `hidden beast` number, since 250 + 0 + 414 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5217 + ... + 8787.

It is an arithmetic number, because the mean of its divisors is an integer number (2263755).

Almost surely, 2^25004142 is an apocalyptic number.

25004142 is an abundant number, since it is smaller than the sum of its proper divisors (29325978).

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

25004142 is a wasteful number, since it uses less digits than its factorization.

25004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 25004142 is about 5000.4141828453. The cubic root of 25004142 is about 292.4179213048.

Adding to 25004142 its reverse (24140052), we get a palindrome (49144194).

The spelling of 25004142 in words is "twenty-five million, four thousand, one hundred forty-two".