507278897 has 2 divisors, whose sum is σ = 507278898. Its totient is φ = 507278896.

The previous prime is 507278887. The next prime is 507278899. The reversal of 507278897 is 798872705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394260736 + 113018161 = 19856^2 + 10631^2 .

It is a cyclic number.

It is not a de Polignac number, because 507278897 - 2¹⁰ = 507277873 is a prime.

Together with 507278899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (507278899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253639448 + 253639449.

It is an arithmetic number, because the mean of its divisors is an integer number (253639449).

Almost surely, 2^507278897 is an apocalyptic number.

It is an amenable number.

507278897 is a deficient number, since it is larger than the sum of its proper divisors (1).

507278897 is an equidigital number, since it uses as much as digits as its factorization.

507278897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The square root of 507278897 is about 22522.8527722400. The cubic root of 507278897 is about 797.5334954469.

The spelling of 507278897 in words is "five hundred seven million, two hundred seventy-eight thousand, eight hundred ninety-seven".