25042137 has 8 divisors (see below), whose sum is σ = 33955680. Its totient is φ = 16411680.

The previous prime is 25042123. The next prime is 25042153. The reversal of 25042137 is 73124052.

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

It is not a de Polignac number, because 25042137 - 2¹⁹ = 24517849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25042187) 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, 70564 + ... + 70917.

It is an arithmetic number, because the mean of its divisors is an integer number (4244460).

Almost surely, 2^25042137 is an apocalyptic number.

It is an amenable number.

25042137 is a deficient number, since it is larger than the sum of its proper divisors (8913543).

25042137 is a wasteful number, since it uses less digits than its factorization.

25042137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141543.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25042137 is about 5004.2119259680. The cubic root of 25042137 is about 292.5659607251.

Adding to 25042137 its reverse (73124052), we get a palindrome (98166189).

The spelling of 25042137 in words is "twenty-five million, forty-two thousand, one hundred thirty-seven".