189021325 has 12 divisors (see below), whose sum is σ = 237355840. Its totient is φ = 149301360.

The previous prime is 189021307. The next prime is 189021331. The reversal of 189021325 is 523120981.

It is not a de Polignac number, because 189021325 - 2⁹ = 189020813 is a prime.

It is a super-2 number, since 2×189021325² = 71458122609511250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 45879 + ... + 49828.

Almost surely, 2^189021325 is an apocalyptic number.

It is an amenable number.

189021325 is a deficient number, since it is larger than the sum of its proper divisors (48334515).

189021325 is an equidigital number, since it uses as much as digits as its factorization.

189021325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95796 (or 95791 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 189021325 is about 13748.5026457429. The cubic root of 189021325 is about 573.9009377541.

The spelling of 189021325 in words is "one hundred eighty-nine million, twenty-one thousand, three hundred twenty-five".