32530705 has 4 divisors (see below), whose sum is σ = 39036852. Its totient is φ = 26024560.

The previous prime is 32530681. The next prime is 32530727. The reversal of 32530705 is 50703523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24373969 + 8156736 = 4937^2 + 2856^2 .

It is not a de Polignac number, because 32530705 - 2⁹ = 32530193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32530705.

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, 3253066 + ... + 3253075.

It is an arithmetic number, because the mean of its divisors is an integer number (9759213).

Almost surely, 2^32530705 is an apocalyptic number.

It is an amenable number.

32530705 is a deficient number, since it is larger than the sum of its proper divisors (6506147).

32530705 is an equidigital number, since it uses as much as digits as its factorization.

32530705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506146.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 32530705 is about 5703.5694963768. The cubic root of 32530705 is about 319.2256832045.

The spelling of 32530705 in words is "thirty-two million, five hundred thirty thousand, seven hundred five".