25113212 has 24 divisors (see below), whose sum is σ = 47028240. Its totient is φ = 11698560.

The previous prime is 25113211. The next prime is 25113223. The reversal of 25113212 is 21231152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (1959510).

Almost surely, 2^25113212 is an apocalyptic number.

It is an amenable number.

25113212 is a deficient number, since it is larger than the sum of its proper divisors (21915028).

25113212 is a wasteful number, since it uses less digits than its factorization.

25113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501 (or 5499 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 25113212 is about 5011.3084119818. The cubic root of 25113212 is about 292.8424877627.

Adding to 25113212 its reverse (21231152), we get a palindrome (46344364).

The spelling of 25113212 in words is "twenty-five million, one hundred thirteen thousand, two hundred twelve".