401374231 has 2 divisors, whose sum is σ = 401374232. Its totient is φ = 401374230.

The previous prime is 401374213. The next prime is 401374249. The reversal of 401374231 is 132473104.

Together with previous prime (401374213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (401374213) and next prime (401374249).

It is a cyclic number.

It is not a de Polignac number, because 401374231 - 2¹¹ = 401372183 is a prime.

It is a super-2 number, since 2×401374231² = 322202546621682722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401374196 and 401374205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401314231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200687115 + 200687116.

It is an arithmetic number, because the mean of its divisors is an integer number (200687116).

Almost surely, 2^401374231 is an apocalyptic number.

401374231 is a deficient number, since it is larger than the sum of its proper divisors (1).

401374231 is an equidigital number, since it uses as much as digits as its factorization.

401374231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 401374231 is about 20034.3263175980. The cubic root of 401374231 is about 737.6491203203.

The spelling of 401374231 in words is "four hundred one million, three hundred seventy-four thousand, two hundred thirty-one".