525235140430 has 128 divisors (see below), whose sum is σ = 1272652093440. Its totient is φ = 150727011840.

The previous prime is 525235140389. The next prime is 525235140449. The reversal of 525235140430 is 34041532525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3826447 + ... + 3961333.

It is an arithmetic number, because the mean of its divisors is an integer number (9942594480).

Almost surely, 2^525235140430 is an apocalyptic number.

525235140430 is an abundant number, since it is smaller than the sum of its proper divisors (747416953010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525235140430 is a wasteful number, since it uses less digits than its factorization.

525235140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135314.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 525235140430 its reverse (34041532525), we get a palindrome (559276672955).

The spelling of 525235140430 in words is "five hundred twenty-five billion, two hundred thirty-five million, one hundred forty thousand, four hundred thirty".