513242601 has 4 divisors (see below), whose sum is σ = 684323472. Its totient is φ = 342161732.

The previous prime is 513242591. The next prime is 513242669. The reversal of 513242601 is 106242315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513242601 - 2⁶ = 513242537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513242101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85540431 + ... + 85540436.

It is an arithmetic number, because the mean of its divisors is an integer number (171080868).

Almost surely, 2^513242601 is an apocalyptic number.

It is an amenable number.

513242601 is a deficient number, since it is larger than the sum of its proper divisors (171080871).

513242601 is a wasteful number, since it uses less digits than its factorization.

513242601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171080870.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 513242601 is about 22654.8582206996. The cubic root of 513242601 is about 800.6466651602.

Adding to 513242601 its reverse (106242315), we get a palindrome (619484916).

The spelling of 513242601 in words is "five hundred thirteen million, two hundred forty-two thousand, six hundred one".