1001542313 has 4 divisors (see below), whose sum is σ = 1002898320. Its totient is φ = 1000186308.

The previous prime is 1001542309. The next prime is 1001542343. The reversal of 1001542313 is 3132451001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001542313 - 2² = 1001542309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001542343) 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, 676895 + ... + 678372.

It is an arithmetic number, because the mean of its divisors is an integer number (250724580).

Almost surely, 2^1001542313 is an apocalyptic number.

It is an amenable number.

1001542313 is a deficient number, since it is larger than the sum of its proper divisors (1356007).

1001542313 is an equidigital number, since it uses as much as digits as its factorization.

1001542313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356006.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1001542313 is about 31647.1533158987. The cubic root of 1001542313 is about 1000.5138402563.

Adding to 1001542313 its reverse (3132451001), we get a palindrome (4133993314).

The spelling of 1001542313 in words is "one billion, one million, five hundred forty-two thousand, three hundred thirteen".