902563 has 2 divisors, whose sum is σ = 902564. Its totient is φ = 902562.

The previous prime is 902521. The next prime is 902569. The reversal of 902563 is 365209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 902563 - 2¹³ = 894371 is a prime.

It is an Ulam number.

It is equal to p₇₁₄₅₈ and since 902563 and 71458 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 (902569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451281 + 451282.

It is an arithmetic number, because the mean of its divisors is an integer number (451282).

902563 is a Friedman number, since it can be written as 950^2+63, using all its digits and the basic arithmetic operations.

2⁹⁰²⁵⁶³ is an apocalyptic number.

902563 is a deficient number, since it is larger than the sum of its proper divisors (1).

902563 is an equidigital number, since it uses as much as digits as its factorization.

902563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 902563 is about 950.0331573161. The cubic root of 902563 is about 96.6405015722.

The spelling of 902563 in words is "nine hundred two thousand, five hundred sixty-three".