401131463 has 2 divisors, whose sum is σ = 401131464. Its totient is φ = 401131462.

The previous prime is 401131459. The next prime is 401131481. The reversal of 401131463 is 364131104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401131463 - 2² = 401131459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401131433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200565731 + 200565732.

It is an arithmetic number, because the mean of its divisors is an integer number (200565732).

Almost surely, 2^401131463 is an apocalyptic number.

401131463 is a deficient number, since it is larger than the sum of its proper divisors (1).

401131463 is an equidigital number, since it uses as much as digits as its factorization.

401131463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 401131463 is about 20028.2665999831. The cubic root of 401131463 is about 737.5003699318.

Adding to 401131463 its reverse (364131104), we get a palindrome (765262567).

The spelling of 401131463 in words is "four hundred one million, one hundred thirty-one thousand, four hundred sixty-three".