533540994 has 16 divisors (see below), whose sum is σ = 1219522368. Its totient is φ = 152440272.

The previous prime is 533540993. The next prime is 533541007. The reversal of 533540994 is 499045335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 12703357 = 533540994 / (5 + 3 + 3 + 5 + 4 + 0 + 9 + 9 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (533540993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6351637 + ... + 6351720.

It is an arithmetic number, because the mean of its divisors is an integer number (76220148).

Almost surely, 2^533540994 is an apocalyptic number.

533540994 is an abundant number, since it is smaller than the sum of its proper divisors (685981374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533540994 is a wasteful number, since it uses less digits than its factorization.

533540994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703369.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 533540994 is about 23098.5063153443. The cubic root of 533540994 is about 811.0655052623.

The spelling of 533540994 in words is "five hundred thirty-three million, five hundred forty thousand, nine hundred ninety-four".