2591363 has 2 divisors, whose sum is σ = 2591364. Its totient is φ = 2591362.

The previous prime is 2591333. The next prime is 2591389. The reversal of 2591363 is 3631952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2591363 is a prime.

It is equal to p₁₈₉₂₉₀ and since 2591363 and 189290 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2591333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295681 + 1295682.

It is an arithmetic number, because the mean of its divisors is an integer number (1295682).

2^2591363 is an apocalyptic number.

2591363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591363 is an equidigital number, since it uses as much as digits as its factorization.

2591363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 2591363 is about 1609.7711017409. The cubic root of 2591363 is about 137.3544553608.

The spelling of 2591363 in words is "two million, five hundred ninety-one thousand, three hundred sixty-three".