2070491 has 4 divisors (see below), whose sum is σ = 2114592. Its totient is φ = 2026392.

The previous prime is 2070479. The next prime is 2070517. The reversal of 2070491 is 1940702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1940702 = 2 ⋅970351.

It is a cyclic number.

It is not a de Polignac number, because 2070491 - 2⁶ = 2070427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070421) 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, 21980 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (528648).

2^2070491 is an apocalyptic number.

2070491 is a deficient number, since it is larger than the sum of its proper divisors (44101).

2070491 is an equidigital number, since it uses as much as digits as its factorization.

2070491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44100.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2070491 is about 1438.9200811720. The cubic root of 2070491 is about 127.4552656085.

The spelling of 2070491 in words is "two million, seventy thousand, four hundred ninety-one".