25234242 has 32 divisors (see below), whose sum is σ = 57957120. Its totient is φ = 7243920.

The previous prime is 25234219. The next prime is 25234267. The reversal of 25234242 is 24243252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8808 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (1811160).

Almost surely, 2^25234242 is an apocalyptic number.

25234242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25234242 is an abundant number, since it is smaller than the sum of its proper divisors (32722878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25234242 is a wasteful number, since it uses less digits than its factorization.

25234242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20158.

The product of its digits is 3840, while the sum is 24.

The square root of 25234242 is about 5023.3695862439. The cubic root of 25234242 is about 293.3121733474.

Adding to 25234242 its reverse (24243252), we get a palindrome (49477494).

The spelling of 25234242 in words is "twenty-five million, two hundred thirty-four thousand, two hundred forty-two".