536155813 has 4 divisors (see below), whose sum is σ = 564374560. Its totient is φ = 507937068.

The previous prime is 536155771. The next prime is 536155831. The reversal of 536155813 is 318551635.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536155813 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 (536155913) 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, 14109345 + ... + 14109382.

It is an arithmetic number, because the mean of its divisors is an integer number (141093640).

Almost surely, 2^536155813 is an apocalyptic number.

It is an amenable number.

536155813 is a deficient number, since it is larger than the sum of its proper divisors (28218747).

536155813 is a wasteful number, since it uses less digits than its factorization.

536155813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28218746.

The product of its digits is 54000, while the sum is 37.

The square root of 536155813 is about 23155.0386093394. The cubic root of 536155813 is about 812.3883241541.

The spelling of 536155813 in words is "five hundred thirty-six million, one hundred fifty-five thousand, eight hundred thirteen".