537203690 has 16 divisors (see below), whose sum is σ = 968875560. Its totient is φ = 214457280.

The previous prime is 537203683. The next prime is 537203731. The reversal of 537203690 is 96302735.

It can be written as a sum of positive squares in 4 ways, for example, as 535505881 + 1697809 = 23141^2 + 1303^2 .

It is a super-2 number, since 2×537203690² = 577175609099232200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 537203690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47681 + ... + 57860.

Almost surely, 2^537203690 is an apocalyptic number.

537203690 is a deficient number, since it is larger than the sum of its proper divisors (431671870).

537203690 is a wasteful number, since it uses less digits than its factorization.

537203690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106057.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 537203690 is about 23177.6549719768. The cubic root of 537203690 is about 812.9172307585.

The spelling of 537203690 in words is "five hundred thirty-seven million, two hundred three thousand, six hundred ninety".