332040491 has 2 divisors, whose sum is σ = 332040492. Its totient is φ = 332040490.

The previous prime is 332040469. The next prime is 332040493. The reversal of 332040491 is 194040233.

It is a strong prime.

It is an emirp because it is prime and its reverse (194040233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332040491 - 2¹⁰ = 332039467 is a prime.

It is a super-2 number, since 2×332040491² = 220501775327042162, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 332040493, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 332040491.

It is not a weakly prime, because it can be changed into another prime (332040493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166020245 + 166020246.

It is an arithmetic number, because the mean of its divisors is an integer number (166020246).

Almost surely, 2^332040491 is an apocalyptic number.

332040491 is a deficient number, since it is larger than the sum of its proper divisors (1).

332040491 is an equidigital number, since it uses as much as digits as its factorization.

332040491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 332040491 is about 18221.9782405753. The cubic root of 332040491 is about 692.4637061266.

The spelling of 332040491 in words is "three hundred thirty-two million, forty thousand, four hundred ninety-one".