405025117 has 8 divisors (see below), whose sum is σ = 469795136. Its totient is φ = 341982432.

The previous prime is 405025111. The next prime is 405025129. The reversal of 405025117 is 711520504.

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 405025117 - 2¹⁹ = 404500829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405025091 and 405025100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405025111) 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, 431328 + ... + 432265.

It is an arithmetic number, because the mean of its divisors is an integer number (58724392).

Almost surely, 2^405025117 is an apocalyptic number.

It is an amenable number.

405025117 is a deficient number, since it is larger than the sum of its proper divisors (64770019).

405025117 is an equidigital number, since it uses as much as digits as its factorization.

405025117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863667.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 405025117 is about 20125.2358247053. The cubic root of 405025117 is about 739.8789167604.

The spelling of 405025117 in words is "four hundred five million, twenty-five thousand, one hundred seventeen".