533640237 has 16 divisors (see below), whose sum is σ = 766731840. Its totient is φ = 328188672.

The previous prime is 533640229. The next prime is 533640241. The reversal of 533640237 is 732046335.

It is not a de Polignac number, because 533640237 - 2³ = 533640229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 533640198 and 533640207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533640257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79818 + ... + 86244.

It is an arithmetic number, because the mean of its divisors is an integer number (47920740).

Almost surely, 2^533640237 is an apocalyptic number.

It is an amenable number.

533640237 is a deficient number, since it is larger than the sum of its proper divisors (233091603).

533640237 is a wasteful number, since it uses less digits than its factorization.

533640237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572.

The product of its (nonzero) digits is 45360, while the sum is 33.

The square root of 533640237 is about 23100.6544712482. The cubic root of 533640237 is about 811.1157904229.

The spelling of 533640237 in words is "five hundred thirty-three million, six hundred forty thousand, two hundred thirty-seven".