320535454 has 4 divisors (see below), whose sum is σ = 480803184. Its totient is φ = 160267726.

The previous prime is 320535451. The next prime is 320535473. The reversal of 320535454 is 454535023.

It is a happy number.

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

It is a super-2 number, since 2×320535454² = 205485954541972232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320535451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80133862 + ... + 80133865.

It is an arithmetic number, because the mean of its divisors is an integer number (120200796).

Almost surely, 2^320535454 is an apocalyptic number.

320535454 is a deficient number, since it is larger than the sum of its proper divisors (160267730).

320535454 is a wasteful number, since it uses less digits than its factorization.

320535454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160267729.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 320535454 is about 17903.5039587227. The cubic root of 320535454 is about 684.3716716865.

The spelling of 320535454 in words is "three hundred twenty million, five hundred thirty-five thousand, four hundred fifty-four".