25253004501 has 16 divisors (see below), whose sum is σ = 39612556800. Its totient is φ = 15845022144.

The previous prime is 25253004493. The next prime is 25253004509. The reversal of 25253004501 is 10540035252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25253004493) and next prime (25253004509).

It is not a de Polignac number, because 25253004501 - 2³ = 25253004493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253004509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27508261 + ... + 27509178.

It is an arithmetic number, because the mean of its divisors is an integer number (2475784800).

Almost surely, 2^25253004501 is an apocalyptic number.

It is an amenable number.

25253004501 is a deficient number, since it is larger than the sum of its proper divisors (14359552299).

25253004501 is a wasteful number, since it uses less digits than its factorization.

25253004501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55017465 (or 55017459 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 25253004501 its reverse (10540035252), we get a palindrome (35793039753).

The spelling of 25253004501 in words is "twenty-five billion, two hundred fifty-three million, four thousand, five hundred one".