25023135245 has 16 divisors (see below), whose sum is σ = 30347146800. Its totient is φ = 19806633984.

The previous prime is 25023135229. The next prime is 25023135271. The reversal of 25023135245 is 54253132052.

It can be written as a sum of positive squares in 8 ways, for example, as 1155048196 + 23868087049 = 33986^2 + 154493^2 .

It is a cyclic number.

It is not a de Polignac number, because 25023135245 - 2⁴ = 25023135229 is a prime.

It is a super-2 number, since 2×25023135245² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126119 + ... + 256811.

It is an arithmetic number, because the mean of its divisors is an integer number (1896696675).

Almost surely, 2^25023135245 is an apocalyptic number.

It is an amenable number.

25023135245 is a deficient number, since it is larger than the sum of its proper divisors (5324011555).

25023135245 is a wasteful number, since it uses less digits than its factorization.

25023135245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131104.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 25023135245 its reverse (54253132052), we get a palindrome (79276267297).

The spelling of 25023135245 in words is "twenty-five billion, twenty-three million, one hundred thirty-five thousand, two hundred forty-five".