525541531452 has 48 divisors (see below), whose sum is σ = 1401793516032. Its totient is φ = 150117284160.

The previous prime is 525541531447. The next prime is 525541531477. The reversal of 525541531452 is 254135145525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440208 + ... + 1115735.

It is an arithmetic number, because the mean of its divisors is an integer number (29204031584).

Almost surely, 2^525541531452 is an apocalyptic number.

It is an amenable number.

525541531452 is an abundant number, since it is smaller than the sum of its proper divisors (876251984580).

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

525541531452 is a wasteful number, since it uses less digits than its factorization.

525541531452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559978 (or 1559976 counting only the distinct ones).

The product of its digits is 600000, while the sum is 42.

Adding to 525541531452 its reverse (254135145525), we get a palindrome (779676676977).

The spelling of 525541531452 in words is "five hundred twenty-five billion, five hundred forty-one million, five hundred thirty-one thousand, four hundred fifty-two".