401522063 has 4 divisors (see below), whose sum is σ = 418979568. Its totient is φ = 384064560.

The previous prime is 401522059. The next prime is 401522083. The reversal of 401522063 is 360225104.

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

It is a cyclic number.

It is not a de Polignac number, because 401522063 - 2² = 401522059 is a prime.

It is a super-2 number, since 2×401522063² = 322439934151551938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 17457481 = 401522063 / (4 + 0 + 1 + 5 + 2 + 2 + 0 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401522053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8728718 + ... + 8728763.

It is an arithmetic number, because the mean of its divisors is an integer number (104744892).

Almost surely, 2^401522063 is an apocalyptic number.

401522063 is a deficient number, since it is larger than the sum of its proper divisors (17457505).

401522063 is a wasteful number, since it uses less digits than its factorization.

401522063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17457504.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 401522063 is about 20038.0154456473. The cubic root of 401522063 is about 737.7396715242.

Adding to 401522063 its reverse (360225104), we get a palindrome (761747167).

The spelling of 401522063 in words is "four hundred one million, five hundred twenty-two thousand, sixty-three".