2045311 has 2 divisors, whose sum is σ = 2045312. Its totient is φ = 2045310.

The previous prime is 2045213. The next prime is 2045317. The reversal of 2045311 is 1135402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045311 - 2¹⁷ = 1914239 is a prime.

2045311 is a lucky number.

It is a zygodrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022655 + 1022656.

It is an arithmetic number, because the mean of its divisors is an integer number (1022656).

2^2045311 is an apocalyptic number.

2045311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045311 is an equidigital number, since it uses as much as digits as its factorization.

2045311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2045311 is about 1430.1436990736. The cubic root of 2045311 is about 126.9364801084.

Subtracting from 2045311 its reverse (1135402), we obtain a palindrome (909909).

The spelling of 2045311 in words is "two million, forty-five thousand, three hundred eleven".