890263225 has 12 divisors (see below), whose sum is σ = 1168863804. Its totient is φ = 670315520.

The previous prime is 890263193. The next prime is 890263247. The reversal of 890263225 is 522362098.

It can be written as a sum of positive squares in 6 ways, for example, as 91183401 + 799079824 = 9549^2 + 28268^2 .

It is not a de Polignac number, because 890263225 - 2⁵ = 890263193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1046944 + ... + 1047793.

It is an arithmetic number, because the mean of its divisors is an integer number (97405317).

Almost surely, 2^890263225 is an apocalyptic number.

890263225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

890263225 is a deficient number, since it is larger than the sum of its proper divisors (278600579).

890263225 is a wasteful number, since it uses less digits than its factorization.

890263225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094764 (or 2094759 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 890263225 is about 29837.2791152276. The cubic root of 890263225 is about 961.9949922875.

It can be divided in two parts, 8902 and 63225, that added together give a palindrome (72127).

The spelling of 890263225 in words is "eight hundred ninety million, two hundred sixty-three thousand, two hundred twenty-five".