545267237 has 2 divisors, whose sum is σ = 545267238. Its totient is φ = 545267236.

The previous prime is 545267221. The next prime is 545267249. The reversal of 545267237 is 732762545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459630721 + 85636516 = 21439^2 + 9254^2 .

It is a cyclic number.

It is not a de Polignac number, because 545267237 - 2⁴ = 545267221 is a prime.

It is a super-2 number, since 2×545267237² = 594632719491228338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545267194 and 545267203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545267287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272633618 + 272633619.

It is an arithmetic number, because the mean of its divisors is an integer number (272633619).

Almost surely, 2^545267237 is an apocalyptic number.

It is an amenable number.

545267237 is a deficient number, since it is larger than the sum of its proper divisors (1).

545267237 is an equidigital number, since it uses as much as digits as its factorization.

545267237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 41.

The square root of 545267237 is about 23350.9579460886. The cubic root of 545267237 is about 816.9644043545.

The spelling of 545267237 in words is "five hundred forty-five million, two hundred sixty-seven thousand, two hundred thirty-seven".