1045263 has 4 divisors (see below), whose sum is σ = 1393688. Its totient is φ = 696840.

The previous prime is 1045241. The next prime is 1045273. The reversal of 1045263 is 3625401.

It is a happy number.

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

It is not a de Polignac number, because 1045263 - 2⁶ = 1045199 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045223) 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, 174208 + ... + 174213.

It is an arithmetic number, because the mean of its divisors is an integer number (348422).

2^1045263 is an apocalyptic number.

1045263 is a deficient number, since it is larger than the sum of its proper divisors (348425).

1045263 is an equidigital number, since it uses as much as digits as its factorization.

1045263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348424.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1045263 is about 1022.3810444252. The cubic root of 1045263 is about 101.4865585993.

The spelling of 1045263 in words is "one million, forty-five thousand, two hundred sixty-three".