513400526516 has 12 divisors (see below), whose sum is σ = 899660147232. Its totient is φ = 256354770168.

The previous prime is 513400526503. The next prime is 513400526519. The reversal of 513400526516 is 615625004315.

It is a self number, because there is not a number n which added to its sum of digits gives 513400526516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513400526519) 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, 86369930 + ... + 86375873.

It is an arithmetic number, because the mean of its divisors is an integer number (74971678936).

Almost surely, 2^513400526516 is an apocalyptic number.

It is an amenable number.

513400526516 is a deficient number, since it is larger than the sum of its proper divisors (386259620716).

513400526516 is a wasteful number, since it uses less digits than its factorization.

513400526516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172746550 (or 172746548 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 513400526516 in words is "five hundred thirteen billion, four hundred million, five hundred twenty-six thousand, five hundred sixteen".