400425313 has 4 divisors (see below), whose sum is σ = 400519728. Its totient is φ = 400330900.

The previous prime is 400425287. The next prime is 400425349. The reversal of 400425313 is 313524004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400425313 - 2¹⁷ = 400294241 is a prime.

It is a super-2 number, since 2×400425313² = 320680862582295938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400425373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40531 + ... + 49432.

It is an arithmetic number, because the mean of its divisors is an integer number (100129932).

Almost surely, 2^400425313 is an apocalyptic number.

It is an amenable number.

400425313 is a deficient number, since it is larger than the sum of its proper divisors (94415).

400425313 is an equidigital number, since it uses as much as digits as its factorization.

400425313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94414.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 400425313 is about 20010.6300000775. The cubic root of 400425313 is about 737.0673516407.

Adding to 400425313 its reverse (313524004), we get a palindrome (713949317).

The spelling of 400425313 in words is "four hundred million, four hundred twenty-five thousand, three hundred thirteen".