401633413 has 2 divisors, whose sum is σ = 401633414. Its totient is φ = 401633412.

The previous prime is 401633399. The next prime is 401633437. The reversal of 401633413 is 314336104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389786049 + 11847364 = 19743^2 + 3442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401633413 is a prime.

It is a super-2 number, since 2×401633413² = 322618796876057138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401633213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200816706 + 200816707.

It is an arithmetic number, because the mean of its divisors is an integer number (200816707).

Almost surely, 2^401633413 is an apocalyptic number.

It is an amenable number.

401633413 is a deficient number, since it is larger than the sum of its proper divisors (1).

401633413 is an equidigital number, since it uses as much as digits as its factorization.

401633413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 401633413 is about 20040.7937218065. The cubic root of 401633413 is about 737.8078618160.

Adding to 401633413 its reverse (314336104), we get a palindrome (715969517).

The spelling of 401633413 in words is "four hundred one million, six hundred thirty-three thousand, four hundred thirteen".