2971901 has 4 divisors (see below), whose sum is σ = 3009600. Its totient is φ = 2934204.

The previous prime is 2971897. The next prime is 2971909. The reversal of 2971901 is 1091792.

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 2971901 - 2² = 2971897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971909) 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, 18731 + ... + 18888.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

2^2971901 is an apocalyptic number.

It is an amenable number.

2971901 is a deficient number, since it is larger than the sum of its proper divisors (37699).

2971901 is an equidigital number, since it uses as much as digits as its factorization.

2971901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37698.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2971901 is about 1723.9202417745. The cubic root of 2971901 is about 143.7732574846.

The spelling of 2971901 in words is "two million, nine hundred seventy-one thousand, nine hundred one".