25495463 has 4 divisors (see below), whose sum is σ = 29137680. Its totient is φ = 21853248.

The previous prime is 25495451. The next prime is 25495471. The reversal of 25495463 is 36459452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25495463 - 2¹⁰ = 25494439 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 (25495403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821098 + ... + 1821111.

It is an arithmetic number, because the mean of its divisors is an integer number (7284420).

Almost surely, 2^25495463 is an apocalyptic number.

25495463 is a deficient number, since it is larger than the sum of its proper divisors (3642217).

25495463 is an equidigital number, since it uses as much as digits as its factorization.

25495463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642216.

The product of its digits is 129600, while the sum is 38.

The square root of 25495463 is about 5049.3032192571. The cubic root of 25495463 is about 294.3208084335.

The spelling of 25495463 in words is "twenty-five million, four hundred ninety-five thousand, four hundred sixty-three".