25132789 has 6 divisors (see below), whose sum is σ = 27625430. Its totient is φ = 22847880.

The previous prime is 25132777. The next prime is 25132841. The reversal of 25132789 is 98723152.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 302500 = 4983^2 + 550^2 .

It is not a de Polignac number, because 25132789 - 2¹¹ = 25130741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103734 + ... + 103975.

Almost surely, 2^25132789 is an apocalyptic number.

It is an amenable number.

25132789 is a deficient number, since it is larger than the sum of its proper divisors (2492641).

25132789 is a wasteful number, since it uses less digits than its factorization.

25132789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207731 (or 207720 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 25132789 is about 5013.2613137557. The cubic root of 25132789 is about 292.9185631013.

It can be divided in two parts, 25132 and 789, that added together give a square (25921 = 161²).

The spelling of 25132789 in words is "twenty-five million, one hundred thirty-two thousand, seven hundred eighty-nine".