25292563 has 4 divisors (see below), whose sum is σ = 25485768. Its totient is φ = 25099360.

The previous prime is 25292551. The next prime is 25292569. The reversal of 25292563 is 36529252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25292563 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25292569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96406 + ... + 96667.

It is an arithmetic number, because the mean of its divisors is an integer number (6371442).

Almost surely, 2^25292563 is an apocalyptic number.

25292563 is a deficient number, since it is larger than the sum of its proper divisors (193205).

25292563 is a wasteful number, since it uses less digits than its factorization.

25292563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193204.

The product of its digits is 32400, while the sum is 34.

The square root of 25292563 is about 5029.1712040852. The cubic root of 25292563 is about 293.5379657129.

The spelling of 25292563 in words is "twenty-five million, two hundred ninety-two thousand, five hundred sixty-three".