189062500 has 81 divisors (see below), whose sum is σ = 454589611. Its totient is φ = 68750000.

The previous prime is 189062479. The next prime is 189062509. The reversal of 189062500 is 5260981.

The square root of 189062500 is 13750.

It is a perfect power (a square), and thus also a powerful number.

189062500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 134420836 + 54641664 = 11594^2 + 7392^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189062509) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17187495 + ... + 17187505.

Almost surely, 2^189062500 is an apocalyptic number.

189062500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189062500 is the 13750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189062500

189062500 is an abundant number, since it is smaller than the sum of its proper divisors (265527111).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189062500 is an frugal number, since it uses more digits than its factorization.

189062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 18 counting only the distinct ones).

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

The cubic root of 189062500 is about 573.9426061664.

The spelling of 189062500 in words is "one hundred eighty-nine million, sixty-two thousand, five hundred".