902542 has 8 divisors (see below), whose sum is σ = 1370376. Its totient is φ = 445752.

The previous prime is 902521. The next prime is 902563. The reversal of 902542 is 245209.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (902521) and next prime (902563).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

902542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 2553 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (171297).

902542 is a Friedman number, since it can be written as 950^2+42, using all its digits and the basic arithmetic operations.

2⁹⁰²⁵⁴² is an apocalyptic number.

902542 is a deficient number, since it is larger than the sum of its proper divisors (467834).

902542 is a wasteful number, since it uses less digits than its factorization.

902542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 902542 is about 950.0221050060. The cubic root of 902542 is about 96.6397520525.

It can be divided in two parts, 902 and 542, that multiplied together give a palindrome (488884).

The spelling of 902542 in words is "nine hundred two thousand, five hundred forty-two".