25330023 has 32 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 16365888.

The previous prime is 25330013. The next prime is 25330027. The reversal of 25330023 is 32003352.

It is not a de Polignac number, because 25330023 - 2⁵ = 25329991 is a prime.

It is a super-2 number, since 2×25330023² = 1283220130361058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25329978 and 25330005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199386 + ... + 199512.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^25330023 is an apocalyptic number.

25330023 is a deficient number, since it is larger than the sum of its proper divisors (13377177).

25330023 is a wasteful number, since it uses less digits than its factorization.

25330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 25330023 is about 5032.8940978328. The cubic root of 25330023 is about 293.6828107685.

Adding to 25330023 its reverse (32003352), we get a palindrome (57333375).

It can be divided in two parts, 253 and 30023, that added together give a square (30276 = 174²).

The spelling of 25330023 in words is "twenty-five million, three hundred thirty thousand, twenty-three".