25252054709 has 16 divisors (see below), whose sum is σ = 30744430080. Its totient is φ = 20258365680.

The previous prime is 25252054697. The next prime is 25252054769. The reversal of 25252054709 is 90745025252.

It is not a de Polignac number, because 25252054709 - 2¹⁶ = 25251989173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252054769) 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, 1132727 + ... + 1154804.

It is an arithmetic number, because the mean of its divisors is an integer number (1921526880).

Almost surely, 2^25252054709 is an apocalyptic number.

It is an amenable number.

25252054709 is a deficient number, since it is larger than the sum of its proper divisors (5492375371).

25252054709 is a wasteful number, since it uses less digits than its factorization.

25252054709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287640.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 25252054709 in words is "twenty-five billion, two hundred fifty-two million, fifty-four thousand, seven hundred nine".