513462641 has 4 divisors (see below), whose sum is σ = 530025984. Its totient is φ = 496899300.

The previous prime is 513462637. The next prime is 513462643. The reversal of 513462641 is 146264315.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146264315 = 5 ⋅29252863.

It is a cyclic number.

It is not a de Polignac number, because 513462641 - 2² = 513462637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513462598 and 513462607.

It is not an unprimeable number, because it can be changed into a prime (513462643) 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, 8281625 + ... + 8281686.

It is an arithmetic number, because the mean of its divisors is an integer number (132506496).

Almost surely, 2^513462641 is an apocalyptic number.

It is an amenable number.

513462641 is a deficient number, since it is larger than the sum of its proper divisors (16563343).

513462641 is a wasteful number, since it uses less digits than its factorization.

513462641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563342.

The product of its digits is 17280, while the sum is 32.

The square root of 513462641 is about 22659.7140538004. The cubic root of 513462641 is about 800.7610679274.

The spelling of 513462641 in words is "five hundred thirteen million, four hundred sixty-two thousand, six hundred forty-one".