273372553 has 2 divisors, whose sum is σ = 273372554. Its totient is φ = 273372552.

The previous prime is 273372523. The next prime is 273372557. The reversal of 273372553 is 355273372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262699264 + 10673289 = 16208^2 + 3267^2 .

It is a cyclic number.

It is not a de Polignac number, because 273372553 - 2²⁵ = 239818121 is a prime.

It is not a weakly prime, because it can be changed into another prime (273372557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136686276 + 136686277.

It is an arithmetic number, because the mean of its divisors is an integer number (136686277).

Almost surely, 2^273372553 is an apocalyptic number.

It is an amenable number.

273372553 is a deficient number, since it is larger than the sum of its proper divisors (1).

273372553 is an equidigital number, since it uses as much as digits as its factorization.

273372553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 37.

The square root of 273372553 is about 16533.9817648381. The cubic root of 273372553 is about 649.0103701800.

It can be divided in two parts, 27337 and 2553, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 273372553 in words is "two hundred seventy-three million, three hundred seventy-two thousand, five hundred fifty-three".