25250212 has 24 divisors (see below), whose sum is σ = 47785976. Its totient is φ = 11605248.

The previous prime is 25250209. The next prime is 25250231. The reversal of 25250212 is 21205252.

It can be written as a sum of positive squares in 4 ways, for example, as 2056356 + 23193856 = 1434^2 + 4816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25250212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13528 + ... + 15280.

Almost surely, 2^25250212 is an apocalyptic number.

It is an amenable number.

25250212 is a deficient number, since it is larger than the sum of its proper divisors (22535764).

25250212 is a wasteful number, since it uses less digits than its factorization.

25250212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25250212 is about 5024.9589053046. The cubic root of 25250212 is about 293.3740364775.

Adding to 25250212 its reverse (21205252), we get a palindrome (46455464).

The spelling of 25250212 in words is "twenty-five million, two hundred fifty thousand, two hundred twelve".