401925863 has 2 divisors, whose sum is σ = 401925864. Its totient is φ = 401925862.

The previous prime is 401925847. The next prime is 401925899. The reversal of 401925863 is 368529104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401925863 - 2⁴ = 401925847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401925803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200962931 + 200962932.

It is an arithmetic number, because the mean of its divisors is an integer number (200962932).

Almost surely, 2^401925863 is an apocalyptic number.

401925863 is a deficient number, since it is larger than the sum of its proper divisors (1).

401925863 is an equidigital number, since it uses as much as digits as its factorization.

401925863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 401925863 is about 20048.0887617748. The cubic root of 401925863 is about 737.9868970189.

The spelling of 401925863 in words is "four hundred one million, nine hundred twenty-five thousand, eight hundred sixty-three".