189008253 has 12 divisors (see below), whose sum is σ = 312013728. Its totient is φ = 108004680.

The previous prime is 189008251. The next prime is 189008293. The reversal of 189008253 is 352800981.

It is not a de Polignac number, because 189008253 - 2¹ = 189008251 is a prime.

It is a super-2 number, since 2×189008253² = 71448239404224018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189008251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500003 + ... + 1500128.

It is an arithmetic number, because the mean of its divisors is an integer number (26001144).

Almost surely, 2^189008253 is an apocalyptic number.

It is an amenable number.

189008253 is a deficient number, since it is larger than the sum of its proper divisors (123005475).

189008253 is a wasteful number, since it uses less digits than its factorization.

189008253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000144 (or 3000141 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 189008253 is about 13748.0272402989. The cubic root of 189008253 is about 573.8877078430.

The spelling of 189008253 in words is "one hundred eighty-nine million, eight thousand, two hundred fifty-three".