535172249 has 4 divisors (see below), whose sum is σ = 537530064. Its totient is φ = 532814436.

The previous prime is 535172207. The next prime is 535172263. The reversal of 535172249 is 942271535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942271535 = 5 ⋅188454307.

It is a cyclic number.

It is not a de Polignac number, because 535172249 - 2¹⁶ = 535106713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535172299) 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, 1178567 + ... + 1179020.

It is an arithmetic number, because the mean of its divisors is an integer number (134382516).

Almost surely, 2^535172249 is an apocalyptic number.

It is an amenable number.

535172249 is a deficient number, since it is larger than the sum of its proper divisors (2357815).

535172249 is a wasteful number, since it uses less digits than its factorization.

535172249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357814.

The product of its digits is 75600, while the sum is 38.

The square root of 535172249 is about 23133.7901996193. The cubic root of 535172249 is about 811.8912516039.

The spelling of 535172249 in words is "five hundred thirty-five million, one hundred seventy-two thousand, two hundred forty-nine".