332052509 has 4 divisors (see below), whose sum is σ = 339117504. Its totient is φ = 324987516.

The previous prime is 332052389. The next prime is 332052527. The reversal of 332052509 is 905250233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 905250233 = 43 ⋅21052331.

It is not a de Polignac number, because 332052509 - 2¹⁶ = 331986973 is a prime.

It is a super-2 number, since 2×332052509² = 220517737466390162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332052559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532427 + ... + 3532520.

It is an arithmetic number, because the mean of its divisors is an integer number (84779376).

Almost surely, 2^332052509 is an apocalyptic number.

It is an amenable number.

332052509 is a deficient number, since it is larger than the sum of its proper divisors (7064995).

332052509 is an equidigital number, since it uses as much as digits as its factorization.

332052509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064994.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 332052509 is about 18222.3080042019. The cubic root of 332052509 is about 692.4720604575.

The spelling of 332052509 in words is "three hundred thirty-two million, fifty-two thousand, five hundred nine".