513045413 has 4 divisors (see below), whose sum is σ = 514065888. Its totient is φ = 512024940.

The previous prime is 513045389. The next prime is 513045437. The reversal of 513045413 is 314540315.

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 an interprime number because it is at equal distance from previous prime (513045389) and next prime (513045437).

It is a cyclic number.

It is not a de Polignac number, because 513045413 - 2⁸ = 513045157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513045473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509483 + ... + 510488.

It is an arithmetic number, because the mean of its divisors is an integer number (128516472).

Almost surely, 2^513045413 is an apocalyptic number.

It is an amenable number.

513045413 is a deficient number, since it is larger than the sum of its proper divisors (1020475).

513045413 is a wasteful number, since it uses less digits than its factorization.

513045413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020474.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 513045413 is about 22650.5058000920. The cubic root of 513045413 is about 800.5441157761.

Adding to 513045413 its reverse (314540315), we get a palindrome (827585728).

The spelling of 513045413 in words is "five hundred thirteen million, forty-five thousand, four hundred thirteen".