25213023 has 48 divisors (see below), whose sum is σ = 42861312. Its totient is φ = 14112000.

The previous prime is 25212997. The next prime is 25213031. The reversal of 25213023 is 32031252.

25213023 = T₈₀₇ + T₈₀₈ + ... + T₈₇₇.

It is not a de Polignac number, because 25213023 - 2⁸ = 25212767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25212987 and 25213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119388 + ... + 119598.

It is an arithmetic number, because the mean of its divisors is an integer number (892944).

Almost surely, 2^25213023 is an apocalyptic number.

25213023 is a deficient number, since it is larger than the sum of its proper divisors (17648289).

25213023 is a wasteful number, since it uses less digits than its factorization.

25213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25213023 is about 5021.2571135125. The cubic root of 25213023 is about 293.2299367274.

Adding to 25213023 its reverse (32031252), we get a palindrome (57244275).

The spelling of 25213023 in words is "twenty-five million, two hundred thirteen thousand, twenty-three".