1025263 has 4 divisors (see below), whose sum is σ = 1058368. Its totient is φ = 992160.

The previous prime is 1025261. The next prime is 1025267. The reversal of 1025263 is 3625201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3625201 = 43 ⋅84307.

It is a cyclic number.

It is not a de Polignac number, because 1025263 - 2¹ = 1025261 is a prime.

It is a Duffinian number.

1025263 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025261) 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, 16506 + ... + 16567.

It is an arithmetic number, because the mean of its divisors is an integer number (264592).

2^1025263 is an apocalyptic number.

1025263 is a deficient number, since it is larger than the sum of its proper divisors (33105).

1025263 is an equidigital number, since it uses as much as digits as its factorization.

1025263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33104.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1025263 is about 1012.5527146771. The cubic root of 1025263 is about 100.8351065569.

The spelling of 1025263 in words is "one million, twenty-five thousand, two hundred sixty-three".