350623261 has 4 divisors (see below), whose sum is σ = 355856512. Its totient is φ = 345390012.

The previous prime is 350623223. The next prime is 350623297. The reversal of 350623261 is 162326053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 350623261 - 2⁹ = 350622749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350623061) 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, 2616525 + ... + 2616658.

It is an arithmetic number, because the mean of its divisors is an integer number (88964128).

Almost surely, 2^350623261 is an apocalyptic number.

It is an amenable number.

350623261 is a deficient number, since it is larger than the sum of its proper divisors (5233251).

350623261 is an equidigital number, since it uses as much as digits as its factorization.

350623261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233250.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 350623261 is about 18724.9368757280. The cubic root of 350623261 is about 705.1479400482.

The spelling of 350623261 in words is "three hundred fifty million, six hundred twenty-three thousand, two hundred sixty-one".