25263155 has 8 divisors (see below), whose sum is σ = 30343200. Its totient is φ = 20192256.

The previous prime is 25263143. The next prime is 25263157. The reversal of 25263155 is 55136252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25263155 - 2¹⁰ = 25262131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25263157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8051 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (3792900).

Almost surely, 2^25263155 is an apocalyptic number.

25263155 is a deficient number, since it is larger than the sum of its proper divisors (5080045).

25263155 is a wasteful number, since it uses less digits than its factorization.

25263155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its digits is 9000, while the sum is 29.

The square root of 25263155 is about 5026.2466115383. The cubic root of 25263155 is about 293.4241547570.

The spelling of 25263155 in words is "twenty-five million, two hundred sixty-three thousand, one hundred fifty-five".