25142937 has 8 divisors (see below), whose sum is σ = 33552480. Its totient is φ = 16747680.

The previous prime is 25142927. The next prime is 25142989. The reversal of 25142937 is 73924152.

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

It is not a de Polignac number, because 25142937 - 2⁷ = 25142809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25142898 and 25142907.

It is not an unprimeable number, because it can be changed into a prime (25142927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (4194060).

Almost surely, 2^25142937 is an apocalyptic number.

It is an amenable number.

25142937 is a deficient number, since it is larger than the sum of its proper divisors (8409543).

25142937 is a wasteful number, since it uses less digits than its factorization.

25142937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143.

The product of its digits is 15120, while the sum is 33.

The square root of 25142937 is about 5014.2733272130. The cubic root of 25142937 is about 292.9579822254.

The spelling of 25142937 in words is "twenty-five million, one hundred forty-two thousand, nine hundred thirty-seven".