400848563 has 2 divisors, whose sum is σ = 400848564. Its totient is φ = 400848562.

The previous prime is 400848517. The next prime is 400848587. The reversal of 400848563 is 365848004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400848563 - 2²⁰ = 399799987 is a prime.

It is not a weakly prime, because it can be changed into another prime (400848863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200424281 + 200424282.

It is an arithmetic number, because the mean of its divisors is an integer number (200424282).

Almost surely, 2^400848563 is an apocalyptic number.

400848563 is a deficient number, since it is larger than the sum of its proper divisors (1).

400848563 is an equidigital number, since it uses as much as digits as its factorization.

400848563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 400848563 is about 20021.2028359936. The cubic root of 400848563 is about 737.3269538650.

The spelling of 400848563 in words is "four hundred million, eight hundred forty-eight thousand, five hundred sixty-three".