506490547 has 2 divisors, whose sum is σ = 506490548. Its totient is φ = 506490546.

The previous prime is 506490541. The next prime is 506490577. The reversal of 506490547 is 745094605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506490547 - 2²⁷ = 372272819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (506490541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253245273 + 253245274.

It is an arithmetic number, because the mean of its divisors is an integer number (253245274).

Almost surely, 2^506490547 is an apocalyptic number.

506490547 is a deficient number, since it is larger than the sum of its proper divisors (1).

506490547 is an equidigital number, since it uses as much as digits as its factorization.

506490547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 506490547 is about 22505.3448540563. The cubic root of 506490547 is about 797.1201386674.

The spelling of 506490547 in words is "five hundred six million, four hundred ninety thousand, five hundred forty-seven".