2145263 has 2 divisors, whose sum is σ = 2145264. Its totient is φ = 2145262.

The previous prime is 2145239. The next prime is 2145277. The reversal of 2145263 is 3625412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072631 + 1072632.

It is an arithmetic number, because the mean of its divisors is an integer number (1072632).

2^2145263 is an apocalyptic number.

2145263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145263 is an equidigital number, since it uses as much as digits as its factorization.

2145263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 2145263 is about 1464.6716355552. The cubic root of 2145263 is about 128.9714296843.

The spelling of 2145263 in words is "two million, one hundred forty-five thousand, two hundred sixty-three".