404325497 has 8 divisors (see below), whose sum is σ = 407813736. Its totient is φ = 400845312.

The previous prime is 404325479. The next prime is 404325527. The reversal of 404325497 is 794523404.

It can be written as a sum of positive squares in 4 ways, for example, as 217975696 + 186349801 = 14764^2 + 13651^2 .

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 404325497 - 2⁸ = 404325241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404325497.

It is not an unprimeable number, because it can be changed into a prime (404325457) 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, 140093 + ... + 142949.

It is an arithmetic number, because the mean of its divisors is an integer number (50976717).

Almost surely, 2^404325497 is an apocalyptic number.

It is an amenable number.

404325497 is a deficient number, since it is larger than the sum of its proper divisors (3488239).

404325497 is a wasteful number, since it uses less digits than its factorization.

404325497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 404325497 is about 20107.8466524887. The cubic root of 404325497 is about 739.4526613692.

The spelling of 404325497 in words is "four hundred four million, three hundred twenty-five thousand, four hundred ninety-seven".