355112405 has 8 divisors (see below), whose sum is σ = 451201752. Its totient is φ = 267378688.

The previous prime is 355112399. The next prime is 355112419. The reversal of 355112405 is 504211553.

It can be written as a sum of positive squares in 4 ways, for example, as 153983281 + 201129124 = 12409^2 + 14182^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355112405 is a prime.

It is a super-2 number, since 2×355112405² = 252209640369768050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088812 + ... + 2088981.

It is an arithmetic number, because the mean of its divisors is an integer number (56400219).

Almost surely, 2^355112405 is an apocalyptic number.

It is an amenable number.

355112405 is a deficient number, since it is larger than the sum of its proper divisors (96089347).

355112405 is a wasteful number, since it uses less digits than its factorization.

355112405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177815.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 355112405 is about 18844.4263643126. The cubic root of 355112405 is about 708.1446001746.

Adding to 355112405 its reverse (504211553), we get a palindrome (859323958).

The spelling of 355112405 in words is "three hundred fifty-five million, one hundred twelve thousand, four hundred five".