321340527 has 12 divisors (see below), whose sum is σ = 481349960. Its totient is φ = 214226856.

The previous prime is 321340517. The next prime is 321340529. The reversal of 321340527 is 725043123.

321340527 is a `hidden beast` number, since 3 + 2 + 134 + 0 + 527 = 666.

It is not a de Polignac number, because 321340527 - 2¹⁸ = 321078383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 321340527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321340529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660952 + ... + 661437.

Almost surely, 2^321340527 is an apocalyptic number.

321340527 is a deficient number, since it is larger than the sum of its proper divisors (160009433).

321340527 is an equidigital number, since it uses as much as digits as its factorization.

321340527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322404 (or 1322392 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 321340527 is about 17925.9735300485. The cubic root of 321340527 is about 684.9441601169.

The spelling of 321340527 in words is "three hundred twenty-one million, three hundred forty thousand, five hundred twenty-seven".