400603250213 has 4 divisors (see below), whose sum is σ = 402399677568. Its totient is φ = 398806822860.

The previous prime is 400603250171. The next prime is 400603250239. The reversal of 400603250213 is 312052306004.

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 400603250213 - 2⁶ = 400603250149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400603253213) 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, 898213343 + ... + 898213788.

It is an arithmetic number, because the mean of its divisors is an integer number (100599919392).

Almost surely, 2^400603250213 is an apocalyptic number.

It is an amenable number.

400603250213 is a deficient number, since it is larger than the sum of its proper divisors (1796427355).

400603250213 is a wasteful number, since it uses less digits than its factorization.

400603250213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796427354.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 400603250213 its reverse (312052306004), we get a palindrome (712655556217).

The spelling of 400603250213 in words is "four hundred billion, six hundred three million, two hundred fifty thousand, two hundred thirteen".