902213 has 4 divisors (see below), whose sum is σ = 971628. Its totient is φ = 832800.

The previous prime is 902201. The next prime is 902227. The reversal of 902213 is 312209.

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

It can be written as a sum of positive squares in 2 ways, for example, as 351649 + 550564 = 593^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 902213 - 2¹⁶ = 836677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 902191 and 902200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902263) 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, 34688 + ... + 34713.

It is an arithmetic number, because the mean of its divisors is an integer number (242907).

2⁹⁰²²¹³ is an apocalyptic number.

It is an amenable number.

902213 is a deficient number, since it is larger than the sum of its proper divisors (69415).

902213 is a wasteful number, since it uses less digits than its factorization.

902213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69414.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 902213 is about 949.8489353576. The cubic root of 902213 is about 96.6280080588.

The spelling of 902213 in words is "nine hundred two thousand, two hundred thirteen".