401366527 has 2 divisors, whose sum is σ = 401366528. Its totient is φ = 401366526.

The previous prime is 401366501. The next prime is 401366573. The reversal of 401366527 is 725663104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401366527 - 2¹¹ = 401364479 is a prime.

It is a super-2 number, since 2×401366527² = 322190177992083458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401366492 and 401366501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401366587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200683263 + 200683264.

It is an arithmetic number, because the mean of its divisors is an integer number (200683264).

Almost surely, 2^401366527 is an apocalyptic number.

401366527 is a deficient number, since it is larger than the sum of its proper divisors (1).

401366527 is an equidigital number, since it uses as much as digits as its factorization.

401366527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 401366527 is about 20034.1340466714. The cubic root of 401366527 is about 737.6444007969.

The spelling of 401366527 in words is "four hundred one million, three hundred sixty-six thousand, five hundred twenty-seven".