902081 has 4 divisors (see below), whose sum is σ = 909312. Its totient is φ = 894852.

The previous prime is 902053. The next prime is 902087. The reversal of 902081 is 180209.

902081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180209 = 307 ⋅587.

It is a cyclic number.

It is not a de Polignac number, because 902081 - 2⁶ = 902017 is a prime.

It is a super-2 number, since 2×902081² = 1627500261122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902087) 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, 3425 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (227328).

2⁹⁰²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

902081 is a deficient number, since it is larger than the sum of its proper divisors (7231).

902081 is a wasteful number, since it uses less digits than its factorization.

902081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 902081 is about 949.7794480826. The cubic root of 902081 is about 96.6232953804.

It can be divided in two parts, 90208 and 1, that added together give a palindrome (90209).

The spelling of 902081 in words is "nine hundred two thousand, eighty-one".