513313220501 has 8 divisors (see below), whose sum is σ = 524408338944. Its totient is φ = 502225333840.

The previous prime is 513313220489. The next prime is 513313220533. The reversal of 513313220501 is 105022313315.

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

It is a cyclic number.

It is not a de Polignac number, because 513313220501 - 2¹⁸ = 513312958357 is a prime.

It is a super-2 number, since 2×513313220501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513313220701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664330 + ... + 1948491.

It is an arithmetic number, because the mean of its divisors is an integer number (65551042368).

Almost surely, 2^513313220501 is an apocalyptic number.

It is an amenable number.

513313220501 is a deficient number, since it is larger than the sum of its proper divisors (11095118443).

513313220501 is a wasteful number, since it uses less digits than its factorization.

513313220501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615891.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 513313220501 its reverse (105022313315), we get a palindrome (618335533816).

The spelling of 513313220501 in words is "five hundred thirteen billion, three hundred thirteen million, two hundred twenty thousand, five hundred one".