536261387 has 4 divisors (see below), whose sum is σ = 550754976. Its totient is φ = 521767800.

The previous prime is 536261371. The next prime is 536261459. The reversal of 536261387 is 783162635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783162635 = 5 ⋅156632527.

It is a cyclic number.

It is not a de Polignac number, because 536261387 - 2⁴ = 536261371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536261317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7246739 + ... + 7246812.

It is an arithmetic number, because the mean of its divisors is an integer number (137688744).

Almost surely, 2^536261387 is an apocalyptic number.

536261387 is a deficient number, since it is larger than the sum of its proper divisors (14493589).

536261387 is a wasteful number, since it uses less digits than its factorization.

536261387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14493588.

The product of its digits is 181440, while the sum is 41.

The square root of 536261387 is about 23157.3182169266. The cubic root of 536261387 is about 812.4416428935.

The spelling of 536261387 in words is "five hundred thirty-six million, two hundred sixty-one thousand, three hundred eighty-seven".