2387291 has 2 divisors, whose sum is σ = 2387292. Its totient is φ = 2387290.

The previous prime is 2387269. The next prime is 2387299. The reversal of 2387291 is 1927832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2387291 - 2¹⁸ = 2125147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2387299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193645 + 1193646.

It is an arithmetic number, because the mean of its divisors is an integer number (1193646).

2^2387291 is an apocalyptic number.

2387291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2387291 is an equidigital number, since it uses as much as digits as its factorization.

2387291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 2387291 is about 1545.0860817443. The cubic root of 2387291 is about 133.6498432056.

The spelling of 2387291 in words is "two million, three hundred eighty-seven thousand, two hundred ninety-one".