536403813 has 8 divisors (see below), whose sum is σ = 780223776. Its totient is φ = 325093200.

The previous prime is 536403773. The next prime is 536403821. The reversal of 536403813 is 318304635.

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

It is not a de Polignac number, because 536403813 - 2¹³ = 536395621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 16254661 = 536403813 / (5 + 3 + 6 + 4 + 0 + 3 + 8 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536403853) 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, 8127298 + ... + 8127363.

It is an arithmetic number, because the mean of its divisors is an integer number (97527972).

Almost surely, 2^536403813 is an apocalyptic number.

It is an amenable number.

536403813 is a deficient number, since it is larger than the sum of its proper divisors (243819963).

536403813 is a wasteful number, since it uses less digits than its factorization.

536403813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254675.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 536403813 is about 23160.3931961441. The cubic root of 536403813 is about 812.5135621563.

The spelling of 536403813 in words is "five hundred thirty-six million, four hundred three thousand, eight hundred thirteen".