536811397 has 8 divisors (see below), whose sum is σ = 569345112. Its totient is φ = 504384000.

The previous prime is 536811391. The next prime is 536811433. The reversal of 536811397 is 793118635.

It can be written as a sum of positive squares in 4 ways, for example, as 416119201 + 120692196 = 20399^2 + 10986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 536811397 - 2¹⁹ = 536287109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536811391) 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, 16054 + ... + 36487.

It is an arithmetic number, because the mean of its divisors is an integer number (71168139).

Almost surely, 2^536811397 is an apocalyptic number.

It is an amenable number.

536811397 is a deficient number, since it is larger than the sum of its proper divisors (32533715).

536811397 is a wasteful number, since it uses less digits than its factorization.

536811397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53159.

The product of its digits is 136080, while the sum is 43.

The square root of 536811397 is about 23169.1906850455. The cubic root of 536811397 is about 812.7193049669.

The spelling of 536811397 in words is "five hundred thirty-six million, eight hundred eleven thousand, three hundred ninety-seven".