25470212 has 6 divisors (see below), whose sum is σ = 44572878. Its totient is φ = 12735104.

The previous prime is 25470191. The next prime is 25470229. The reversal of 25470212 is 21207452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23658496 + 1811716 = 4864^2 + 1346^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183773 + ... + 3183780.

It is an arithmetic number, because the mean of its divisors is an integer number (7428813).

Almost surely, 2^25470212 is an apocalyptic number.

It is an amenable number.

25470212 is a deficient number, since it is larger than the sum of its proper divisors (19102666).

25470212 is a wasteful number, since it uses less digits than its factorization.

25470212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367557 (or 6367555 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 25470212 is about 5046.8021558211. The cubic root of 25470212 is about 294.2236100989.

Adding to 25470212 its reverse (21207452), we get a palindrome (46677664).

The spelling of 25470212 in words is "twenty-five million, four hundred seventy thousand, two hundred twelve".