890106253 has 2 divisors, whose sum is σ = 890106254. Its totient is φ = 890106252.

The previous prime is 890106227. The next prime is 890106263. The reversal of 890106253 is 352601098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871253289 + 18852964 = 29517^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 890106253 - 2¹³ = 890098061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890106223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445053126 + 445053127.

It is an arithmetic number, because the mean of its divisors is an integer number (445053127).

Almost surely, 2^890106253 is an apocalyptic number.

It is an amenable number.

890106253 is a deficient number, since it is larger than the sum of its proper divisors (1).

890106253 is an equidigital number, since it uses as much as digits as its factorization.

890106253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 890106253 is about 29834.6485315313. The cubic root of 890106253 is about 961.9384490279.

The spelling of 890106253 in words is "eight hundred ninety million, one hundred six thousand, two hundred fifty-three".