407253697 has 8 divisors (see below), whose sum is σ = 418672800. Its totient is φ = 395905440.

The previous prime is 407253689. The next prime is 407253719. The reversal of 407253697 is 796352704.

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 407253697 - 2³ = 407253689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407253647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947 + ... + 29152.

It is an arithmetic number, because the mean of its divisors is an integer number (52334100).

Almost surely, 2^407253697 is an apocalyptic number.

It is an amenable number.

407253697 is a deficient number, since it is larger than the sum of its proper divisors (11419103).

407253697 is a wasteful number, since it uses less digits than its factorization.

407253697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35423.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 407253697 is about 20180.5276690180. The cubic root of 407253697 is about 741.2334536146.

The spelling of 407253697 in words is "four hundred seven million, two hundred fifty-three thousand, six hundred ninety-seven".