25212254 has 4 divisors (see below), whose sum is σ = 37818384. Its totient is φ = 12606126.

The previous prime is 25212251. The next prime is 25212277. The reversal of 25212254 is 45221252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25212251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303062 + ... + 6303065.

It is an arithmetic number, because the mean of its divisors is an integer number (9454596).

Almost surely, 2^25212254 is an apocalyptic number.

25212254 is a deficient number, since it is larger than the sum of its proper divisors (12606130).

25212254 is a wasteful number, since it uses less digits than its factorization.

25212254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606129.

The product of its digits is 1600, while the sum is 23.

The square root of 25212254 is about 5021.1805384790. The cubic root of 25212254 is about 293.2269555152.

The spelling of 25212254 in words is "twenty-five million, two hundred twelve thousand, two hundred fifty-four".