1036872565 has 8 divisors (see below), whose sum is σ = 1256566968. Its totient is φ = 821284800.

The previous prime is 1036872547. The next prime is 1036872611. The reversal of 1036872565 is 5652786301.

It can be written as a sum of positive squares in 4 ways, for example, as 575568081 + 461304484 = 23991^2 + 21478^2 .

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

It is not a de Polignac number, because 1036872565 - 2⁵ = 1036872533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026102 + ... + 1027111.

It is an arithmetic number, because the mean of its divisors is an integer number (157070871).

Almost surely, 2^1036872565 is an apocalyptic number.

It is an amenable number.

1036872565 is a deficient number, since it is larger than the sum of its proper divisors (219694403).

1036872565 is a wasteful number, since it uses less digits than its factorization.

1036872565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053319.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1036872565 is about 32200.5056637314. The cubic root of 1036872565 is about 1012.1428103465.

The spelling of 1036872565 in words is "one billion, thirty-six million, eight hundred seventy-two thousand, five hundred sixty-five".