525944642 has 8 divisors (see below), whose sum is σ = 789524496. Its totient is φ = 262769812.

The previous prime is 525944621. The next prime is 525944687. The reversal of 525944642 is 246449525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 525944642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97988 + ... + 103215.

It is an arithmetic number, because the mean of its divisors is an integer number (98690562).

Almost surely, 2^525944642 is an apocalyptic number.

525944642 is a deficient number, since it is larger than the sum of its proper divisors (263579854).

525944642 is a wasteful number, since it uses less digits than its factorization.

525944642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202512.

The product of its digits is 345600, while the sum is 41.

The square root of 525944642 is about 22933.4829888528. The cubic root of 525944642 is about 807.1978783312.

The spelling of 525944642 in words is "five hundred twenty-five million, nine hundred forty-four thousand, six hundred forty-two".