355156361 has 6 divisors (see below), whose sum is σ = 413141130. Its totient is φ = 304419696.

The previous prime is 355156349. The next prime is 355156411. The reversal of 355156361 is 163651553.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 355096336 + 60025 = 18844^2 + 245^2 .

It is not a de Polignac number, because 355156361 - 2⁶ = 355156297 is a prime.

It is a super-2 number, since 2×355156361² = 252272081517524642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355156331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3623996 + ... + 3624093.

It is an arithmetic number, because the mean of its divisors is an integer number (68856855).

Almost surely, 2^355156361 is an apocalyptic number.

It is an amenable number.

355156361 is a deficient number, since it is larger than the sum of its proper divisors (57984769).

355156361 is an equidigital number, since it uses as much as digits as its factorization.

355156361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248103 (or 7248096 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 355156361 is about 18845.5926147203. The cubic root of 355156361 is about 708.1738171393.

The spelling of 355156361 in words is "three hundred fifty-five million, one hundred fifty-six thousand, three hundred sixty-one".