273426497 has 2 divisors, whose sum is σ = 273426498. Its totient is φ = 273426496.

The previous prime is 273426481. The next prime is 273426557. The reversal of 273426497 is 794624372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267355201 + 6071296 = 16351^2 + 2464^2 .

It is a cyclic number.

It is not a de Polignac number, because 273426497 - 2⁴ = 273426481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273426407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136713248 + 136713249.

It is an arithmetic number, because the mean of its divisors is an integer number (136713249).

Almost surely, 2^273426497 is an apocalyptic number.

It is an amenable number.

273426497 is a deficient number, since it is larger than the sum of its proper divisors (1).

273426497 is an equidigital number, since it uses as much as digits as its factorization.

273426497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 273426497 is about 16535.6129913590. The cubic root of 273426497 is about 649.0530566317.

The spelling of 273426497 in words is "two hundred seventy-three million, four hundred twenty-six thousand, four hundred ninety-seven".