525220425654 has 16 divisors (see below), whose sum is σ = 1050448488960. Its totient is φ = 175072202280.

The previous prime is 525220425647. The next prime is 525220425659. The reversal of 525220425654 is 456524022525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525220425659) 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 7 ways as a sum of consecutive naturals, for example, 988467 + ... + 1423905.

It is an arithmetic number, because the mean of its divisors is an integer number (65653030560).

Almost surely, 2^525220425654 is an apocalyptic number.

525220425654 is an abundant number, since it is smaller than the sum of its proper divisors (525228063306).

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

525220425654 is a wasteful number, since it uses less digits than its factorization.

525220425654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636475.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 525220425654 in words is "five hundred twenty-five billion, two hundred twenty million, four hundred twenty-five thousand, six hundred fifty-four".