537998233 has 4 divisors (see below), whose sum is σ = 538208308. Its totient is φ = 537788160.

The previous prime is 537998231. The next prime is 537998261. The reversal of 537998233 is 332899735.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203547289 + 334450944 = 14267^2 + 18288^2 .

It is a cyclic number.

It is not a de Polignac number, because 537998233 - 2¹ = 537998231 is a prime.

It is a super-2 number, since 2×537998233² = 578884197422244578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537998231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101148 + ... + 106333.

It is an arithmetic number, because the mean of its divisors is an integer number (134552077).

Almost surely, 2^537998233 is an apocalyptic number.

It is an amenable number.

537998233 is a deficient number, since it is larger than the sum of its proper divisors (210075).

537998233 is a wasteful number, since it uses less digits than its factorization.

537998233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210074.

The product of its digits is 1224720, while the sum is 49.

The square root of 537998233 is about 23194.7889190654. The cubic root of 537998233 is about 813.3178109813.

The spelling of 537998233 in words is "five hundred thirty-seven million, nine hundred ninety-eight thousand, two hundred thirty-three".