536565401 has 4 divisors (see below), whose sum is σ = 549652404. Its totient is φ = 523478400.

The previous prime is 536565397. The next prime is 536565409. The reversal of 536565401 is 104565635.

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 68492176 + 468073225 = 8276^2 + 21635^2 .

It is a cyclic number.

It is not a de Polignac number, because 536565401 - 2² = 536565397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536565409) 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, 6543440 + ... + 6543521.

It is an arithmetic number, because the mean of its divisors is an integer number (137413101).

Almost surely, 2^536565401 is an apocalyptic number.

It is an amenable number.

536565401 is a deficient number, since it is larger than the sum of its proper divisors (13087003).

536565401 is a wasteful number, since it uses less digits than its factorization.

536565401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13087002.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 536565401 is about 23163.8813889210. The cubic root of 536565401 is about 812.5951420263.

The spelling of 536565401 in words is "five hundred thirty-six million, five hundred sixty-five thousand, four hundred one".