519317492 has 12 divisors (see below), whose sum is σ = 919017540. Its totient is φ = 256741056.

The previous prime is 519317473. The next prime is 519317509. The reversal of 519317492 is 294713915.

It can be written as a sum of positive squares in 2 ways, for example, as 217739536 + 301577956 = 14756^2 + 17366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729023 + ... + 729734.

It is an arithmetic number, because the mean of its divisors is an integer number (76584795).

Almost surely, 2^519317492 is an apocalyptic number.

It is an amenable number.

519317492 is a deficient number, since it is larger than the sum of its proper divisors (399700048).

519317492 is a wasteful number, since it uses less digits than its factorization.

519317492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458850 (or 1458848 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 519317492 is about 22788.5386104506. The cubic root of 519317492 is about 803.7931800558.

The spelling of 519317492 in words is "five hundred nineteen million, three hundred seventeen thousand, four hundred ninety-two".