525756842 has 16 divisors (see below), whose sum is σ = 853117440. Its totient is φ = 241566192.

The previous prime is 525756779. The next prime is 525756851. The reversal of 525756842 is 248657525.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 525756793 and 525756802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39542 + ... + 51137.

It is an arithmetic number, because the mean of its divisors is an integer number (53319840).

Almost surely, 2^525756842 is an apocalyptic number.

525756842 is a deficient number, since it is larger than the sum of its proper divisors (327360598).

525756842 is a wasteful number, since it uses less digits than its factorization.

525756842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90917.

The product of its digits is 672000, while the sum is 44.

The square root of 525756842 is about 22929.3881732592. The cubic root of 525756842 is about 807.1017910272.

The spelling of 525756842 in words is "five hundred twenty-five million, seven hundred fifty-six thousand, eight hundred forty-two".