25142412 has 12 divisors (see below), whose sum is σ = 58665656. Its totient is φ = 8380800.

The previous prime is 25142399. The next prime is 25142413. The reversal of 25142412 is 21424152.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25142413) 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, 1047589 + ... + 1047612.

Almost surely, 2^25142412 is an apocalyptic number.

It is an amenable number.

25142412 is an abundant number, since it is smaller than the sum of its proper divisors (33523244).

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

25142412 is a wasteful number, since it uses less digits than its factorization.

25142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095208 (or 2095206 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 25142412 is about 5014.2209763831. The cubic root of 25142412 is about 292.9559431635.

Adding to 25142412 its reverse (21424152), we get a palindrome (46566564).

The spelling of 25142412 in words is "twenty-five million, one hundred forty-two thousand, four hundred twelve".