25480233 has 24 divisors (see below), whose sum is σ = 38245376. Its totient is φ = 16329600.

The previous prime is 25480211. The next prime is 25480261. The reversal of 25480233 is 33208452.

It is not a de Polignac number, because 25480233 - 2¹² = 25476137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25480197 and 25480206.

It is not an unprimeable number, because it can be changed into a prime (25480633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75441 + ... + 75777.

Almost surely, 2^25480233 is an apocalyptic number.

It is an amenable number.

25480233 is a deficient number, since it is larger than the sum of its proper divisors (12765143).

25480233 is a wasteful number, since it uses less digits than its factorization.

25480233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 25480233 is about 5047.7948650871. The cubic root of 25480233 is about 294.2621914844.

Adding to 25480233 its reverse (33208452), we get a palindrome (58688685).

The spelling of 25480233 in words is "twenty-five million, four hundred eighty thousand, two hundred thirty-three".