404325143 has 4 divisors (see below), whose sum is σ = 406017120. Its totient is φ = 402633168.

The previous prime is 404325139. The next prime is 404325167. The reversal of 404325143 is 341523404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404325143 - 2² = 404325139 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 (404325113) 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, 845630 + ... + 846107.

It is an arithmetic number, because the mean of its divisors is an integer number (101504280).

Almost surely, 2^404325143 is an apocalyptic number.

404325143 is a deficient number, since it is larger than the sum of its proper divisors (1691977).

404325143 is a wasteful number, since it uses less digits than its factorization.

404325143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691976.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 404325143 is about 20107.8378499529. The cubic root of 404325143 is about 739.4524455643.

Adding to 404325143 its reverse (341523404), we get a palindrome (745848547).

The spelling of 404325143 in words is "four hundred four million, three hundred twenty-five thousand, one hundred forty-three".