535772491 has 4 divisors (see below), whose sum is σ = 537108984. Its totient is φ = 534436000.

The previous prime is 535772483. The next prime is 535772509. The reversal of 535772491 is 194277535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 535772491 - 2³ = 535772483 is a prime.

It is a super-2 number, since 2×535772491² = 574104324224690162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535772191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667645 + ... + 668446.

It is an arithmetic number, because the mean of its divisors is an integer number (134277246).

Almost surely, 2^535772491 is an apocalyptic number.

535772491 is a deficient number, since it is larger than the sum of its proper divisors (1336493).

535772491 is a wasteful number, since it uses less digits than its factorization.

535772491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336492.

The product of its digits is 264600, while the sum is 43.

The square root of 535772491 is about 23146.7598380421. The cubic root of 535772491 is about 812.1946736319.

The spelling of 535772491 in words is "five hundred thirty-five million, seven hundred seventy-two thousand, four hundred ninety-one".