25025002315 has 16 divisors (see below), whose sum is σ = 32206960800. Its totient is φ = 18608458752.

The previous prime is 25025002313. The next prime is 25025002367. The reversal of 25025002315 is 51320052052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25025002315 - 2¹ = 25025002313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25025002315.

It is not an unprimeable number, because it can be changed into a prime (25025002313) 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, 2480070 + ... + 2490139.

It is an arithmetic number, because the mean of its divisors is an integer number (2012935050).

Almost surely, 2^25025002315 is an apocalyptic number.

25025002315 is a deficient number, since it is larger than the sum of its proper divisors (7181958485).

25025002315 is a wasteful number, since it uses less digits than its factorization.

25025002315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970286.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 25025002315 its reverse (51320052052), we get a palindrome (76345054367).

The spelling of 25025002315 in words is "twenty-five billion, twenty-five million, two thousand, three hundred fifteen".