513042442 has 8 divisors (see below), whose sum is σ = 839524032. Its totient is φ = 233201100.

The previous prime is 513042437. The next prime is 513042469. The reversal of 513042442 is 244240315.

It is a happy number.

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

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, 11660034 + ... + 11660077.

It is an arithmetic number, because the mean of its divisors is an integer number (104940504).

Almost surely, 2^513042442 is an apocalyptic number.

513042442 is a deficient number, since it is larger than the sum of its proper divisors (326481590).

513042442 is a wasteful number, since it uses less digits than its factorization.

513042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23320124.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 513042442 is about 22650.4402164726. The cubic root of 513042442 is about 800.5425704801.

Adding to 513042442 its reverse (244240315), we get a palindrome (757282757).

The spelling of 513042442 in words is "five hundred thirteen million, forty-two thousand, four hundred forty-two".