25937139 has 16 divisors (see below), whose sum is σ = 35346944. Its totient is φ = 16912800.

The previous prime is 25937129. The next prime is 25937141. The reversal of 25937139 is 93173952.

It is not a de Polignac number, because 25937139 - 2⁷ = 25937011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25937097 and 25937106.

It is not an unprimeable number, because it can be changed into a prime (25937129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49332 + ... + 49854.

It is an arithmetic number, because the mean of its divisors is an integer number (2209184).

Almost surely, 2^25937139 is an apocalyptic number.

25937139 is a deficient number, since it is larger than the sum of its proper divisors (9409805).

25937139 is a wasteful number, since it uses less digits than its factorization.

25937139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 51030, while the sum is 39.

The square root of 25937139 is about 5092.8517551564. The cubic root of 25937139 is about 296.0106635737.

The spelling of 25937139 in words is "twenty-five million, nine hundred thirty-seven thousand, one hundred thirty-nine".