2906251 has 4 divisors (see below), whose sum is σ = 2912992. Its totient is φ = 2899512.

The previous prime is 2906231. The next prime is 2906261. The reversal of 2906251 is 1526092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2906251 - 2⁹ = 2905739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2906231) 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, 2676 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (728248).

2^2906251 is an apocalyptic number.

2906251 is a deficient number, since it is larger than the sum of its proper divisors (6741).

2906251 is an equidigital number, since it uses as much as digits as its factorization.

2906251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2906251 is about 1704.7730054174. The cubic root of 2906251 is about 142.7067032024.

The spelling of 2906251 in words is "two million, nine hundred six thousand, two hundred fifty-one".