513226742 has 8 divisors (see below), whose sum is σ = 879817296. Its totient is φ = 219954312.

The previous prime is 513226661. The next prime is 513226757. The reversal of 513226742 is 247622315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 513226699 and 513226708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18329513 + ... + 18329540.

It is an arithmetic number, because the mean of its divisors is an integer number (109977162).

Almost surely, 2^513226742 is an apocalyptic number.

513226742 is a deficient number, since it is larger than the sum of its proper divisors (366590554).

513226742 is a wasteful number, since it uses less digits than its factorization.

513226742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36659062.

The product of its digits is 20160, while the sum is 32.

The square root of 513226742 is about 22654.5082047702. The cubic root of 513226742 is about 800.6384185167.

The spelling of 513226742 in words is "five hundred thirteen million, two hundred twenty-six thousand, seven hundred forty-two".