513001422 has 48 divisors (see below), whose sum is σ = 1129433760. Its totient is φ = 168264000.

The previous prime is 513001373. The next prime is 513001457. The reversal of 513001422 is 224100315.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 513001395 and 513001404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328279 + ... + 329837.

It is an arithmetic number, because the mean of its divisors is an integer number (23529870).

Almost surely, 2^513001422 is an apocalyptic number.

513001422 is an abundant number, since it is smaller than the sum of its proper divisors (616432338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513001422 is a wasteful number, since it uses less digits than its factorization.

513001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 513001422 is about 22649.5346972074. The cubic root of 513001422 is about 800.5212342781.

Adding to 513001422 its reverse (224100315), we get a palindrome (737101737).

The spelling of 513001422 in words is "five hundred thirteen million, one thousand, four hundred twenty-two".