546921269 has 2 divisors, whose sum is σ = 546921270. Its totient is φ = 546921268.

The previous prime is 546921247. The next prime is 546921311. The reversal of 546921269 is 962129645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413634244 + 133287025 = 20338^2 + 11545^2 .

It is a cyclic number.

It is not a de Polignac number, because 546921269 - 2²⁰ = 545872693 is a prime.

It is a super-2 number, since 2×546921269² = 598245748969140722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546921169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273460634 + 273460635.

It is an arithmetic number, because the mean of its divisors is an integer number (273460635).

Almost surely, 2^546921269 is an apocalyptic number.

It is an amenable number.

546921269 is a deficient number, since it is larger than the sum of its proper divisors (1).

546921269 is an equidigital number, since it uses as much as digits as its factorization.

546921269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 546921269 is about 23386.3479192455. The cubic root of 546921269 is about 817.7896395965.

The spelling of 546921269 in words is "five hundred forty-six million, nine hundred twenty-one thousand, two hundred sixty-nine".