1013532565 has 8 divisors (see below), whose sum is σ = 1216455840. Its totient is φ = 810681552.

The previous prime is 1013532493. The next prime is 1013532589. The reversal of 1013532565 is 5652353101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013532565 is a prime.

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, 20146 + ... + 49324.

It is an arithmetic number, because the mean of its divisors is an integer number (152056980).

Almost surely, 2^1013532565 is an apocalyptic number.

It is an amenable number.

1013532565 is a deficient number, since it is larger than the sum of its proper divisors (202923275).

1013532565 is an equidigital number, since it uses as much as digits as its factorization.

1013532565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36131.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1013532565 is about 31836.0262124531. The cubic root of 1013532565 is about 1004.4906587973.

Adding to 1013532565 its reverse (5652353101), we get a palindrome (6665885666).

The spelling of 1013532565 in words is "one billion, thirteen million, five hundred thirty-two thousand, five hundred sixty-five".