497977573 has 2 divisors, whose sum is σ = 497977574. Its totient is φ = 497977572.

The previous prime is 497977547. The next prime is 497977591. The reversal of 497977573 is 375779794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476243329 + 21734244 = 21823^2 + 4662^2 .

It is a cyclic number.

It is not a de Polignac number, because 497977573 - 2²¹ = 495880421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494977573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248988786 + 248988787.

It is an arithmetic number, because the mean of its divisors is an integer number (248988787).

Almost surely, 2^497977573 is an apocalyptic number.

It is an amenable number.

497977573 is a deficient number, since it is larger than the sum of its proper divisors (1).

497977573 is an equidigital number, since it uses as much as digits as its factorization.

497977573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11668860, while the sum is 58.

The square root of 497977573 is about 22315.4111098138. The cubic root of 497977573 is about 792.6289456383.

The spelling of 497977573 in words is "four hundred ninety-seven million, nine hundred seventy-seven thousand, five hundred seventy-three".