25012210 has 16 divisors (see below), whose sum is σ = 46575000. Its totient is φ = 9659776.

The previous prime is 25012193. The next prime is 25012217. The reversal of 25012210 is 1221052.

It can be written as a sum of positive squares in 4 ways, for example, as 24611521 + 400689 = 4961^2 + 633^2 .

It is a super-2 number, since 2×25012210² = 1251221298168200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25012217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42835 + ... + 43414.

Almost surely, 2^25012210 is an apocalyptic number.

25012210 is a deficient number, since it is larger than the sum of its proper divisors (21562790).

25012210 is a wasteful number, since it uses less digits than its factorization.

25012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86285.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25012210 is about 5001.2208509523. The cubic root of 25012210 is about 292.4493690824.

Adding to 25012210 its reverse (1221052), we get a palindrome (26233262).

The spelling of 25012210 in words is "twenty-five million, twelve thousand, two hundred ten".