513450551 has 8 divisors (see below), whose sum is σ = 553058304. Its totient is φ = 475283160.

The previous prime is 513450529. The next prime is 513450559. The reversal of 513450551 is 155054315.

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 513450551 - 2¹⁰ = 513449527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513450559) 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, 359351 + ... + 360776.

It is an arithmetic number, because the mean of its divisors is an integer number (69132288).

Almost surely, 2^513450551 is an apocalyptic number.

513450551 is a deficient number, since it is larger than the sum of its proper divisors (39607753).

513450551 is a wasteful number, since it uses less digits than its factorization.

513450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720181.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 513450551 is about 22659.4472792255. The cubic root of 513450551 is about 800.7547829669.

The spelling of 513450551 in words is "five hundred thirteen million, four hundred fifty thousand, five hundred fifty-one".