401345273 has 16 divisors (see below), whose sum is σ = 473088000. Its totient is φ = 333332496.

The previous prime is 401345249. The next prime is 401345281. The reversal of 401345273 is 372543104.

It is a happy number.

It is not a de Polignac number, because 401345273 - 2¹⁶ = 401279737 is a prime.

It is a super-2 number, since 2×401345273² = 322156056318889058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401345213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32978 + ... + 43476.

It is an arithmetic number, because the mean of its divisors is an integer number (29568000).

Almost surely, 2^401345273 is an apocalyptic number.

401345273 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

401345273 is a deficient number, since it is larger than the sum of its proper divisors (71742727).

401345273 is a wasteful number, since it uses less digits than its factorization.

401345273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 401345273 is about 20033.6035949601. The cubic root of 401345273 is about 737.6313801373.

Adding to 401345273 its reverse (372543104), we get a palindrome (773888377).

The spelling of 401345273 in words is "four hundred one million, three hundred forty-five thousand, two hundred seventy-three".