25567233 has 4 divisors (see below), whose sum is σ = 34089648. Its totient is φ = 17044820.

The previous prime is 25567211. The next prime is 25567247. The reversal of 25567233 is 33276552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25567233 - 2⁸ = 25566977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25567194 and 25567203.

It is not an unprimeable number, because it can be changed into a prime (25560233) 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, 4261203 + ... + 4261208.

It is an arithmetic number, because the mean of its divisors is an integer number (8522412).

It is a Proth number, since it is equal to 3121 ⋅ 2¹³ + 1 and 3121 < 2¹³.

Almost surely, 2^25567233 is an apocalyptic number.

It is an amenable number.

25567233 is a deficient number, since it is larger than the sum of its proper divisors (8522415).

25567233 is an equidigital number, since it uses as much as digits as its factorization.

25567233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8522414.

The product of its digits is 37800, while the sum is 33.

The square root of 25567233 is about 5056.4051459510. The cubic root of 25567233 is about 294.5967217661.

The spelling of 25567233 in words is "twenty-five million, five hundred sixty-seven thousand, two hundred thirty-three".