400053319 has 2 divisors, whose sum is σ = 400053320. Its totient is φ = 400053318.

The previous prime is 400053293. The next prime is 400053323. The reversal of 400053319 is 913350004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400053319 - 2¹¹ = 400051271 is a prime.

It is a super-2 number, since 2×400053319² = 320085316085831522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400053293 and 400053302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400053119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200026659 + 200026660.

It is an arithmetic number, because the mean of its divisors is an integer number (200026660).

Almost surely, 2^400053319 is an apocalyptic number.

400053319 is a deficient number, since it is larger than the sum of its proper divisors (1).

400053319 is an equidigital number, since it uses as much as digits as its factorization.

400053319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 400053319 is about 20001.3329305824. The cubic root of 400053319 is about 736.8390364195.

The spelling of 400053319 in words is "four hundred million, fifty-three thousand, three hundred nineteen".