404315245 has 16 divisors (see below), whose sum is σ = 508797360. Its totient is φ = 308012544.

The previous prime is 404315209. The next prime is 404315281. The reversal of 404315245 is 542513404.

It is an interprime number because it is at equal distance from previous prime (404315209) and next prime (404315281).

It can be written as a sum of positive squares in 8 ways, for example, as 4435236 + 399880009 = 2106^2 + 19997^2 .

It is a cyclic number.

It is not a de Polignac number, because 404315245 - 2¹⁹ = 403790957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8514 + ... + 29683.

It is an arithmetic number, because the mean of its divisors is an integer number (31799835).

Almost surely, 2^404315245 is an apocalyptic number.

It is an amenable number.

404315245 is a deficient number, since it is larger than the sum of its proper divisors (104482115).

404315245 is a wasteful number, since it uses less digits than its factorization.

404315245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38304.

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

The square root of 404315245 is about 20107.5917255150. The cubic root of 404315245 is about 739.4464115096.

Adding to 404315245 its reverse (542513404), we get a palindrome (946828649).

The spelling of 404315245 in words is "four hundred four million, three hundred fifteen thousand, two hundred forty-five".