513023354 has 4 divisors (see below), whose sum is σ = 769535034. Its totient is φ = 256511676.

The previous prime is 513023353. The next prime is 513023383. The reversal of 513023354 is 453320315.

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., 375313129 + 137710225 = 19373^2 + 11735^2 .

It is not an unprimeable number, because it can be changed into a prime (513023353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128255837 + ... + 128255840.

Almost surely, 2^513023354 is an apocalyptic number.

513023354 is a deficient number, since it is larger than the sum of its proper divisors (256511680).

513023354 is a wasteful number, since it uses less digits than its factorization.

513023354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256511679.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 513023354 is about 22650.0188520893. The cubic root of 513023354 is about 800.5326421617.

Adding to 513023354 its reverse (453320315), we get a palindrome (966343669).

The spelling of 513023354 in words is "five hundred thirteen million, twenty-three thousand, three hundred fifty-four".