189025005 has 16 divisors (see below), whose sum is σ = 325704960. Its totient is φ = 93058368.

The previous prime is 189024991. The next prime is 189025007. The reversal of 189025005 is 500520981.

189025005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189025005 - 2⁵ = 189024973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189025007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484485 + ... + 484874.

It is an arithmetic number, because the mean of its divisors is an integer number (20356560).

Almost surely, 2^189025005 is an apocalyptic number.

189025005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189025005 is a deficient number, since it is larger than the sum of its proper divisors (136679955).

189025005 is a wasteful number, since it uses less digits than its factorization.

189025005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969380.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 189025005 is about 13748.6364778475. The cubic root of 189025005 is about 573.9046620989.

Adding to 189025005 its reverse (500520981), we get a palindrome (689545986).

The spelling of 189025005 in words is "one hundred eighty-nine million, twenty-five thousand, five".