25213162203 has 48 divisors (see below), whose sum is σ = 39677414400. Its totient is φ = 15369549120.

The previous prime is 25213162201. The next prime is 25213162211. The reversal of 25213162203 is 30226131252.

It is a happy number.

25213162203 is a `hidden beast` number, since 2 + 5 + 2 + 1 + 31 + 622 + 0 + 3 = 666.

It is not a de Polignac number, because 25213162203 - 2¹ = 25213162201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25213162201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2055976 + ... + 2068202.

It is an arithmetic number, because the mean of its divisors is an integer number (826612800).

Almost surely, 2^25213162203 is an apocalyptic number.

25213162203 is a deficient number, since it is larger than the sum of its proper divisors (14464252197).

25213162203 is a wasteful number, since it uses less digits than its factorization.

25213162203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 25213162203 its reverse (30226131252), we get a palindrome (55439293455).

The spelling of 25213162203 in words is "twenty-five billion, two hundred thirteen million, one hundred sixty-two thousand, two hundred three".