376520497 has 2 divisors, whose sum is σ = 376520498. Its totient is φ = 376520496.

The previous prime is 376520483. The next prime is 376520509. The reversal of 376520497 is 794025673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312264241 + 64256256 = 17671^2 + 8016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376520497 is a prime.

It is a super-2 number, since 2×376520497² = 283535369322254018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (376520447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188260248 + 188260249.

It is an arithmetic number, because the mean of its divisors is an integer number (188260249).

Almost surely, 2^376520497 is an apocalyptic number.

It is an amenable number.

376520497 is a deficient number, since it is larger than the sum of its proper divisors (1).

376520497 is an equidigital number, since it uses as much as digits as its factorization.

376520497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 376520497 is about 19404.1360797125. The cubic root of 376520497 is about 722.0981091244.

The spelling of 376520497 in words is "three hundred seventy-six million, five hundred twenty thousand, four hundred ninety-seven".