350138653 has 4 divisors (see below), whose sum is σ = 351641628. Its totient is φ = 348635680.

The previous prime is 350138651. The next prime is 350138693. The reversal of 350138653 is 356831053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242020249 + 108118404 = 15557^2 + 10398^2 .

It is a cyclic number.

It is not a de Polignac number, because 350138653 - 2¹ = 350138651 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 (350138651) 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, 751138 + ... + 751603.

It is an arithmetic number, because the mean of its divisors is an integer number (87910407).

Almost surely, 2^350138653 is an apocalyptic number.

It is an amenable number.

350138653 is a deficient number, since it is larger than the sum of its proper divisors (1502975).

350138653 is a wasteful number, since it uses less digits than its factorization.

350138653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502974.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 350138653 is about 18711.9922242395. The cubic root of 350138653 is about 704.8229208359.

Adding to 350138653 its product of nonzero digits (32400), we get a palindrome (350171053).

The spelling of 350138653 in words is "three hundred fifty million, one hundred thirty-eight thousand, six hundred fifty-three".