528423290 has 8 divisors (see below), whose sum is σ = 951161940. Its totient is φ = 211369312.

The previous prime is 528423283. The next prime is 528423317. The reversal of 528423290 is 92324825.

It can be written as a sum of positive squares in 2 ways, for example, as 526381249 + 2042041 = 22943^2 + 1429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 528423290.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26421155 + ... + 26421174.

Almost surely, 2^528423290 is an apocalyptic number.

528423290 is a deficient number, since it is larger than the sum of its proper divisors (422738650).

528423290 is a wasteful number, since it uses less digits than its factorization.

528423290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52842336.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 528423290 is about 22987.4594072507. The cubic root of 528423290 is about 808.4639333626.

The spelling of 528423290 in words is "five hundred twenty-eight million, four hundred twenty-three thousand, two hundred ninety".