25196463 has 6 divisors (see below), whose sum is σ = 36394904. Its totient is φ = 16797636.

The previous prime is 25196441. The next prime is 25196471. The reversal of 25196463 is 36469152.

It is a happy number.

25196463 is a `hidden beast` number, since 2 + 5 + 1 + 9 + 646 + 3 = 666.

It is not a de Polignac number, because 25196463 - 2⁸ = 25196207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25196863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1399795 + ... + 1399812.

Almost surely, 2^25196463 is an apocalyptic number.

25196463 is a deficient number, since it is larger than the sum of its proper divisors (11198441).

25196463 is a wasteful number, since it uses less digits than its factorization.

25196463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799613 (or 2799610 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25196463 is about 5019.6078532093. The cubic root of 25196463 is about 293.1657245243.

The spelling of 25196463 in words is "twenty-five million, one hundred ninety-six thousand, four hundred sixty-three".