525247942 has 32 divisors (see below), whose sum is σ = 855302400. Its totient is φ = 241315200.

The previous prime is 525247909. The next prime is 525247949. The reversal of 525247942 is 249742525.

It is a junction number, because it is equal to n+sod(n) for n = 525247895 and 525247904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525247949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 107284 + ... + 112072.

It is an arithmetic number, because the mean of its divisors is an integer number (26728200).

Almost surely, 2^525247942 is an apocalyptic number.

525247942 is a deficient number, since it is larger than the sum of its proper divisors (330054458).

525247942 is a wasteful number, since it uses less digits than its factorization.

525247942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its digits is 201600, while the sum is 40.

The square root of 525247942 is about 22918.2883741347. The cubic root of 525247942 is about 806.8412988112.

The spelling of 525247942 in words is "five hundred twenty-five million, two hundred forty-seven thousand, nine hundred forty-two".