25242134 has 4 divisors (see below), whose sum is σ = 37863204. Its totient is φ = 12621066.

The previous prime is 25242131. The next prime is 25242137. The reversal of 25242134 is 43124252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25242131) and next prime (25242137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25242131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310532 + ... + 6310535.

It is an arithmetic number, because the mean of its divisors is an integer number (9465801).

Almost surely, 2^25242134 is an apocalyptic number.

25242134 is a deficient number, since it is larger than the sum of its proper divisors (12621070).

25242134 is a wasteful number, since it uses less digits than its factorization.

25242134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621069.

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

The square root of 25242134 is about 5024.1550533398. The cubic root of 25242134 is about 293.3427479187.

Adding to 25242134 its reverse (43124252), we get a palindrome (68366386).

The spelling of 25242134 in words is "twenty-five million, two hundred forty-two thousand, one hundred thirty-four".