25132442 has 8 divisors (see below), whose sum is σ = 37736436. Its totient is φ = 12553632.

The previous prime is 25132439. The next prime is 25132447. The reversal of 25132442 is 24423152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 3500641 = 4651^2 + 1871^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25132447) 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, 3563 + ... + 7934.

Almost surely, 2^25132442 is an apocalyptic number.

25132442 is a deficient number, since it is larger than the sum of its proper divisors (12603994).

25132442 is a wasteful number, since it uses less digits than its factorization.

25132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592.

The product of its digits is 1920, while the sum is 23.

The square root of 25132442 is about 5013.2267054264. The cubic root of 25132442 is about 292.9172150189.

Adding to 25132442 its reverse (24423152), we get a palindrome (49555594).

The spelling of 25132442 in words is "twenty-five million, one hundred thirty-two thousand, four hundred forty-two".