545471137 has 2 divisors, whose sum is σ = 545471138. Its totient is φ = 545471136.

The previous prime is 545471099. The next prime is 545471141. The reversal of 545471137 is 731174545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393466896 + 152004241 = 19836^2 + 12329^2 .

It is a cyclic number.

It is not a de Polignac number, because 545471137 - 2²³ = 537082529 is a prime.

It is a super-2 number, since 2×545471137² = 595077522600145538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545471096 and 545471105.

It is not a weakly prime, because it can be changed into another prime (545471737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272735568 + 272735569.

It is an arithmetic number, because the mean of its divisors is an integer number (272735569).

Almost surely, 2^545471137 is an apocalyptic number.

It is an amenable number.

545471137 is a deficient number, since it is larger than the sum of its proper divisors (1).

545471137 is an equidigital number, since it uses as much as digits as its factorization.

545471137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 37.

The square root of 545471137 is about 23355.3235259116. The cubic root of 545471137 is about 817.0662249367.

The spelling of 545471137 in words is "five hundred forty-five million, four hundred seventy-one thousand, one hundred thirty-seven".