25152663 has 4 divisors (see below), whose sum is σ = 33536888. Its totient is φ = 16768440.

The previous prime is 25152653. The next prime is 25152667. The reversal of 25152663 is 36625152.

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

It is not a de Polignac number, because 25152663 - 2¹⁸ = 24890519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25152663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192108 + ... + 4192113.

It is an arithmetic number, because the mean of its divisors is an integer number (8384222).

Almost surely, 2^25152663 is an apocalyptic number.

25152663 is a deficient number, since it is larger than the sum of its proper divisors (8384225).

25152663 is an equidigital number, since it uses as much as digits as its factorization.

25152663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8384224.

The product of its digits is 10800, while the sum is 30.

The square root of 25152663 is about 5015.2430648973. The cubic root of 25152663 is about 292.9957521700.

The spelling of 25152663 in words is "twenty-five million, one hundred fifty-two thousand, six hundred sixty-three".