513846422 has 4 divisors (see below), whose sum is σ = 770769636. Its totient is φ = 256923210.

The previous prime is 513846419. The next prime is 513846439. The reversal of 513846422 is 224648315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224648315 = 5 ⋅44929663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128461604 + ... + 128461607.

It is an arithmetic number, because the mean of its divisors is an integer number (192692409).

Almost surely, 2^513846422 is an apocalyptic number.

513846422 is a deficient number, since it is larger than the sum of its proper divisors (256923214).

513846422 is a wasteful number, since it uses less digits than its factorization.

513846422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256923213.

The product of its digits is 46080, while the sum is 35.

The square root of 513846422 is about 22668.1808268771. The cubic root of 513846422 is about 800.9605244045.

The spelling of 513846422 in words is "five hundred thirteen million, eight hundred forty-six thousand, four hundred twenty-two".