902249 has 4 divisors (see below), whose sum is σ = 908880. Its totient is φ = 895620.

The previous prime is 902227. The next prime is 902261. The reversal of 902249 is 942209.

902249 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: 942209 = 47 ⋅20047.

It is a cyclic number.

It is not a de Polignac number, because 902249 - 2⁸ = 901993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (902299) 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, 3107 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (227220).

2⁹⁰²²⁴⁹ is an apocalyptic number.

It is an amenable number.

902249 is a deficient number, since it is larger than the sum of its proper divisors (6631).

902249 is a wasteful number, since it uses less digits than its factorization.

902249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 902249 is about 949.8678855504. The cubic root of 902249 is about 96.6292932550.

The spelling of 902249 in words is "nine hundred two thousand, two hundred forty-nine".