215104034 has 4 divisors (see below), whose sum is σ = 322656054. Its totient is φ = 107552016.

The previous prime is 215103971. The next prime is 215104039. The reversal of 215104034 is 430401512.

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

It can be written as a sum of positive squares in only one way, i.e., 189145009 + 25959025 = 13753^2 + 5095^2 .

It is a junction number, because it is equal to n+sod(n) for n = 215103997 and 215104015.

It is not an unprimeable number, because it can be changed into a prime (215104039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53776007 + ... + 53776010.

Almost surely, 2^215104034 is an apocalyptic number.

215104034 is a deficient number, since it is larger than the sum of its proper divisors (107552020).

215104034 is a wasteful number, since it uses less digits than its factorization.

215104034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107552019.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 215104034 is about 14666.4253995307. The cubic root of 215104034 is about 599.1692521461.

Adding to 215104034 its reverse (430401512), we get a palindrome (645505546).

The spelling of 215104034 in words is "two hundred fifteen million, one hundred four thousand, thirty-four".