25424024513 has 16 divisors (see below), whose sum is σ = 26622604800. Its totient is φ = 24251635200.

The previous prime is 25424024449. The next prime is 25424024531. The reversal of 25424024513 is 31542042452.

It is a cyclic number.

It is not a de Polignac number, because 25424024513 - 2⁶ = 25424024449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25424024513.

It is not an unprimeable number, because it can be changed into a prime (25424024573) 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, 584081 + ... + 626097.

It is an arithmetic number, because the mean of its divisors is an integer number (1663912800).

Almost surely, 2^25424024513 is an apocalyptic number.

It is an amenable number.

25424024513 is a deficient number, since it is larger than the sum of its proper divisors (1198580287).

25424024513 is a wasteful number, since it uses less digits than its factorization.

25424024513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42328.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 25424024513 its reverse (31542042452), we get a palindrome (56966066965).

The spelling of 25424024513 in words is "twenty-five billion, four hundred twenty-four million, twenty-four thousand, five hundred thirteen".