1013520647 has 8 divisors (see below), whose sum is σ = 1017142656. Its totient is φ = 1009906272.

The previous prime is 1013520619. The next prime is 1013520649. The reversal of 1013520647 is 7460253101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013520647 - 2⁶ = 1013520583 is a prime.

It is a super-3 number, since 3×1013520647³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013520649) 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, 395093 + ... + 397649.

It is an arithmetic number, because the mean of its divisors is an integer number (127142832).

Almost surely, 2^1013520647 is an apocalyptic number.

1013520647 is a deficient number, since it is larger than the sum of its proper divisors (3622009).

1013520647 is an equidigital number, since it uses as much as digits as its factorization.

1013520647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1013520647 is about 31835.8390340195. The cubic root of 1013520647 is about 1004.4867215561.

Adding to 1013520647 its reverse (7460253101), we get a palindrome (8473773748).

The spelling of 1013520647 in words is "one billion, thirteen million, five hundred twenty thousand, six hundred forty-seven".