545270279 has 2 divisors, whose sum is σ = 545270280. Its totient is φ = 545270278.

The previous prime is 545270237. The next prime is 545270281. The reversal of 545270279 is 972072545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545270279 - 2²⁸ = 276834823 is a prime.

Together with 545270281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545270179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272635139 + 272635140.

It is an arithmetic number, because the mean of its divisors is an integer number (272635140).

Almost surely, 2^545270279 is an apocalyptic number.

545270279 is a deficient number, since it is larger than the sum of its proper divisors (1).

545270279 is an equidigital number, since it uses as much as digits as its factorization.

545270279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 545270279 is about 23351.0230825118. The cubic root of 545270279 is about 816.9659236102.

The spelling of 545270279 in words is "five hundred forty-five million, two hundred seventy thousand, two hundred seventy-nine".