1001455313 has 4 divisors (see below), whose sum is σ = 1005946368. Its totient is φ = 996964260.

The previous prime is 1001455309. The next prime is 1001455319. The reversal of 1001455313 is 3135541001.

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 1001455313 - 2² = 1001455309 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 (1001455319) 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, 2245193 + ... + 2245638.

It is an arithmetic number, because the mean of its divisors is an integer number (251486592).

Almost surely, 2^1001455313 is an apocalyptic number.

It is an amenable number.

1001455313 is a deficient number, since it is larger than the sum of its proper divisors (4491055).

1001455313 is an equidigital number, since it uses as much as digits as its factorization.

1001455313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491054.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1001455313 is about 31645.7787548355. The cubic root of 1001455313 is about 1000.4848691972.

Adding to 1001455313 its reverse (3135541001), we get a palindrome (4136996314).

The spelling of 1001455313 in words is "one billion, one million, four hundred fifty-five thousand, three hundred thirteen".