506273697 has 12 divisors (see below), whose sum is σ = 733077540. Its totient is φ = 336688128.

The previous prime is 506273681. The next prime is 506273743. The reversal of 506273697 is 796372605.

506273697 is a `hidden beast` number, since 506 + 27 + 36 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 449482401 + 56791296 = 21201^2 + 7536^2 .

It is not a de Polignac number, because 506273697 - 2⁴ = 506273681 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (506273497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65088 + ... + 72449.

It is an arithmetic number, because the mean of its divisors is an integer number (61089795).

Almost surely, 2^506273697 is an apocalyptic number.

It is an amenable number.

506273697 is a deficient number, since it is larger than the sum of its proper divisors (226803843).

506273697 is a wasteful number, since it uses less digits than its factorization.

506273697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137952 (or 137949 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 506273697 is about 22500.5265938378. The cubic root of 506273697 is about 797.0063621597.

The spelling of 506273697 in words is "five hundred six million, two hundred seventy-three thousand, six hundred ninety-seven".