405425143 has 8 divisors (see below), whose sum is σ = 413373456. Its totient is φ = 397488000.

The previous prime is 405425131. The next prime is 405425221. The reversal of 405425143 is 341524504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405425143 - 2⁹ = 405424631 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 (405425443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143343 + ... + 146143.

It is an arithmetic number, because the mean of its divisors is an integer number (51671682).

Almost surely, 2^405425143 is an apocalyptic number.

405425143 is a deficient number, since it is larger than the sum of its proper divisors (7948313).

405425143 is a wasteful number, since it uses less digits than its factorization.

405425143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 405425143 is about 20135.1717896819. The cubic root of 405425143 is about 740.1224188753.

Adding to 405425143 its reverse (341524504), we get a palindrome (746949647).

The spelling of 405425143 in words is "four hundred five million, four hundred twenty-five thousand, one hundred forty-three".