400719503 has 2 divisors, whose sum is σ = 400719504. Its totient is φ = 400719502.

The previous prime is 400719497. The next prime is 400719577. The reversal of 400719503 is 305917004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400719503 - 2⁶ = 400719439 is a prime.

It is a super-2 number, since 2×400719503² = 321152240169134018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400710503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200359751 + 200359752.

It is an arithmetic number, because the mean of its divisors is an integer number (200359752).

Almost surely, 2^400719503 is an apocalyptic number.

400719503 is a deficient number, since it is larger than the sum of its proper divisors (1).

400719503 is an equidigital number, since it uses as much as digits as its factorization.

400719503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 400719503 is about 20017.9794934454. The cubic root of 400719503 is about 737.2478137275.

The spelling of 400719503 in words is "four hundred million, seven hundred nineteen thousand, five hundred three".