1001457213 has 8 divisors (see below), whose sum is σ = 1340097888. Its totient is φ = 665227344.

The previous prime is 1001457211. The next prime is 1001457227. The reversal of 1001457213 is 3127541001.

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

It is not a de Polignac number, because 1001457213 - 2¹ = 1001457211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001457211) 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, 601731 + ... + 603392.

It is an arithmetic number, because the mean of its divisors is an integer number (167512236).

Almost surely, 2^1001457213 is an apocalyptic number.

It is an amenable number.

1001457213 is a deficient number, since it is larger than the sum of its proper divisors (338640675).

1001457213 is a wasteful number, since it uses less digits than its factorization.

1001457213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205403.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1001457213 is about 31645.8087746229. The cubic root of 1001457213 is about 1000.4855019164.

Adding to 1001457213 its reverse (3127541001), we get a palindrome (4128998214).

The spelling of 1001457213 in words is "one billion, one million, four hundred fifty-seven thousand, two hundred thirteen".