356213545 has 4 divisors (see below), whose sum is σ = 427456260. Its totient is φ = 284970832.

The previous prime is 356213531. The next prime is 356213549. The reversal of 356213545 is 545312653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545312653 = 157 ⋅3473329.

It can be written as a sum of positive squares in 2 ways, for example, as 226321936 + 129891609 = 15044^2 + 11397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356213545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 356213545.

It is not an unprimeable number, because it can be changed into a prime (356213549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35621350 + ... + 35621359.

It is an arithmetic number, because the mean of its divisors is an integer number (106864065).

Almost surely, 2^356213545 is an apocalyptic number.

It is an amenable number.

356213545 is a deficient number, since it is larger than the sum of its proper divisors (71242715).

356213545 is an equidigital number, since it uses as much as digits as its factorization.

356213545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71242714.

The product of its digits is 54000, while the sum is 34.

The square root of 356213545 is about 18873.6203469287. The cubic root of 356213545 is about 708.8757881475.

The spelling of 356213545 in words is "three hundred fifty-six million, two hundred thirteen thousand, five hundred forty-five".