326278253 has 16 divisors (see below), whose sum is σ = 390272256. Its totient is φ = 266703360.

The previous prime is 326278243. The next prime is 326278261. The reversal of 326278253 is 352872623.

It is not a de Polignac number, because 326278253 - 2⁴ = 326278237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326278243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53963 + ... + 59703.

It is an arithmetic number, because the mean of its divisors is an integer number (24392016).

Almost surely, 2^326278253 is an apocalyptic number.

It is an amenable number.

326278253 is a deficient number, since it is larger than the sum of its proper divisors (63994003).

326278253 is a wasteful number, since it uses less digits than its factorization.

326278253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124.

The product of its digits is 120960, while the sum is 38.

The square root of 326278253 is about 18063.1739459044. The cubic root of 326278253 is about 688.4346317678.

The spelling of 326278253 in words is "three hundred twenty-six million, two hundred seventy-eight thousand, two hundred fifty-three".