17212253 has 2 divisors, whose sum is σ = 17212254. Its totient is φ = 17212252.

The previous prime is 17212243. The next prime is 17212267. The reversal of 17212253 is 35221271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16630084 + 582169 = 4078^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 17212253 - 2²⁴ = 435037 is a prime.

It is equal to p_1103981 and since 17212253 and 1103981 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17212213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8606126 + 8606127.

It is an arithmetic number, because the mean of its divisors is an integer number (8606127).

Almost surely, 2^17212253 is an apocalyptic number.

It is an amenable number.

17212253 is a deficient number, since it is larger than the sum of its proper divisors (1).

17212253 is an equidigital number, since it uses as much as digits as its factorization.

17212253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 17212253 is about 4148.7652379955. The cubic root of 17212253 is about 258.1938580667.

The spelling of 17212253 in words is "seventeen million, two hundred twelve thousand, two hundred fifty-three".