25135361 has 4 divisors (see below), whose sum is σ = 25147824. Its totient is φ = 25122900.

The previous prime is 25135339. The next prime is 25135387. The reversal of 25135361 is 16353152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25135361 - 2¹⁰ = 25134337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25135361.

It is not an unprimeable number, because it can be changed into a prime (25135301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (6286956).

Almost surely, 2^25135361 is an apocalyptic number.

It is an amenable number.

25135361 is a deficient number, since it is larger than the sum of its proper divisors (12463).

25135361 is an equidigital number, since it uses as much as digits as its factorization.

25135361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12462.

The product of its digits is 2700, while the sum is 26.

The square root of 25135361 is about 5013.5178268358. The cubic root of 25135361 is about 292.9285548408.

The spelling of 25135361 in words is "twenty-five million, one hundred thirty-five thousand, three hundred sixty-one".