401703959 has 2 divisors, whose sum is σ = 401703960. Its totient is φ = 401703958.

The previous prime is 401703923. The next prime is 401703961. The reversal of 401703959 is 959307104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401703959 - 2¹² = 401699863 is a prime.

It is a super-2 number, since 2×401703959² = 322732141352547362, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 401703961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401703559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200851979 + 200851980.

It is an arithmetic number, because the mean of its divisors is an integer number (200851980).

Almost surely, 2^401703959 is an apocalyptic number.

401703959 is a deficient number, since it is larger than the sum of its proper divisors (1).

401703959 is an equidigital number, since it uses as much as digits as its factorization.

401703959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 401703959 is about 20042.5537045557. The cubic root of 401703959 is about 737.8510573807.

The spelling of 401703959 in words is "four hundred one million, seven hundred three thousand, nine hundred fifty-nine".