501135434 has 4 divisors (see below), whose sum is σ = 751703154. Its totient is φ = 250567716.

The previous prime is 501135419. The next prime is 501135443. The reversal of 501135434 is 434531105.

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., 329604025 + 171531409 = 18155^2 + 13097^2 .

It is a super-2 number, since 2×501135434² = 502273446420736712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125283857 + ... + 125283860.

Almost surely, 2^501135434 is an apocalyptic number.

501135434 is a deficient number, since it is larger than the sum of its proper divisors (250567720).

501135434 is a wasteful number, since it uses less digits than its factorization.

501135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250567719.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 501135434 is about 22386.0544536102. The cubic root of 501135434 is about 794.3008681559.

Adding to 501135434 its reverse (434531105), we get a palindrome (935666539).

The spelling of 501135434 in words is "five hundred one million, one hundred thirty-five thousand, four hundred thirty-four".