25530196 has 6 divisors (see below), whose sum is σ = 44677850. Its totient is φ = 12765096.

The previous prime is 25530191. The next prime is 25530247. The reversal of 25530196 is 69103552.

It can be written as a sum of positive squares in only one way, i.e., 22905796 + 2624400 = 4786^2 + 1620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191271 + ... + 3191278.

Almost surely, 2^25530196 is an apocalyptic number.

It is an amenable number.

25530196 is a deficient number, since it is larger than the sum of its proper divisors (19147654).

25530196 is a wasteful number, since it uses less digits than its factorization.

25530196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382553 (or 6382551 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 25530196 is about 5052.7414341128. The cubic root of 25530196 is about 294.4544009080.

The spelling of 25530196 in words is "twenty-five million, five hundred thirty thousand, one hundred ninety-six".