25252503307 has 16 divisors (see below), whose sum is σ = 26886988800. Its totient is φ = 23634957312.

The previous prime is 25252503203. The next prime is 25252503347. The reversal of 25252503307 is 70330525252.

It is a cyclic number.

It is not a de Polignac number, because 25252503307 - 2⁷ = 25252503179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25252503347) 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, 2266783 + ... + 2277895.

It is an arithmetic number, because the mean of its divisors is an integer number (1680436800).

Almost surely, 2^25252503307 is an apocalyptic number.

25252503307 is a deficient number, since it is larger than the sum of its proper divisors (1634485493).

25252503307 is a wasteful number, since it uses less digits than its factorization.

25252503307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11862.

The product of its (nonzero) digits is 63000, while the sum is 34.

The spelling of 25252503307 in words is "twenty-five billion, two hundred fifty-two million, five hundred three thousand, three hundred seven".