519427997 has 4 divisors (see below), whose sum is σ = 566648736. Its totient is φ = 472207260.

The previous prime is 519427963. The next prime is 519427999. The reversal of 519427997 is 799724915.

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 a cyclic number.

It is not a de Polignac number, because 519427997 - 2⁶ = 519427933 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 (519427999) 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, 23610353 + ... + 23610374.

It is an arithmetic number, because the mean of its divisors is an integer number (141662184).

Almost surely, 2^519427997 is an apocalyptic number.

It is an amenable number.

519427997 is a deficient number, since it is larger than the sum of its proper divisors (47220739).

519427997 is a wasteful number, since it uses less digits than its factorization.

519427997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47220738.

The product of its digits is 1428840, while the sum is 53.

The square root of 519427997 is about 22790.9630555622. The cubic root of 519427997 is about 803.8501887690.

The spelling of 519427997 in words is "five hundred nineteen million, four hundred twenty-seven thousand, nine hundred ninety-seven".