545266537 has 2 divisors, whose sum is σ = 545266538. Its totient is φ = 545266536.

The previous prime is 545266529. The next prime is 545266607. The reversal of 545266537 is 735662545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514563856 + 30702681 = 22684^2 + 5541^2 .

It is a cyclic number.

It is not a de Polignac number, because 545266537 - 2³ = 545266529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545266493 and 545266502.

It is not a weakly prime, because it can be changed into another prime (545266507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272633268 + 272633269.

It is an arithmetic number, because the mean of its divisors is an integer number (272633269).

Almost surely, 2^545266537 is an apocalyptic number.

It is an amenable number.

545266537 is a deficient number, since it is larger than the sum of its proper divisors (1).

545266537 is an equidigital number, since it uses as much as digits as its factorization.

545266537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 43.

The square root of 545266537 is about 23350.9429574054. The cubic root of 545266537 is about 816.9640547551.

The spelling of 545266537 in words is "five hundred forty-five million, two hundred sixty-six thousand, five hundred thirty-seven".