401655433 has 2 divisors, whose sum is σ = 401655434. Its totient is φ = 401655432.

The previous prime is 401655427. The next prime is 401655469. The reversal of 401655433 is 334556104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244203129 + 157452304 = 15627^2 + 12548^2 .

It is a cyclic number.

It is not a de Polignac number, because 401655433 - 2⁹ = 401654921 is a prime.

It is a super-2 number, since 2×401655433² = 322654173716834978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401655395 and 401655404.

It is not a weakly prime, because it can be changed into another prime (401655473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200827716 + 200827717.

It is an arithmetic number, because the mean of its divisors is an integer number (200827717).

Almost surely, 2^401655433 is an apocalyptic number.

It is an amenable number.

401655433 is a deficient number, since it is larger than the sum of its proper divisors (1).

401655433 is an equidigital number, since it uses as much as digits as its factorization.

401655433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 401655433 is about 20041.3430937151. The cubic root of 401655433 is about 737.8213452826.

The spelling of 401655433 in words is "four hundred one million, six hundred fifty-five thousand, four hundred thirty-three".