525905088249 has 16 divisors (see below), whose sum is σ = 748508359680. Its totient is φ = 327472402320.

The previous prime is 525905088223. The next prime is 525905088251. The reversal of 525905088249 is 942880509525.

It is not a de Polignac number, because 525905088249 - 2⁸ = 525905087993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (525905088209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64970637 + ... + 64978730.

It is an arithmetic number, because the mean of its divisors is an integer number (46781772480).

Almost surely, 2^525905088249 is an apocalyptic number.

It is an amenable number.

525905088249 is a deficient number, since it is larger than the sum of its proper divisors (222603271431).

525905088249 is a wasteful number, since it uses less digits than its factorization.

525905088249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129949460.

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 525905088249 in words is "five hundred twenty-five billion, nine hundred five million, eighty-eight thousand, two hundred forty-nine".