87273349 has 2 divisors, whose sum is σ = 87273350. Its totient is φ = 87273348.

The previous prime is 87273301. The next prime is 87273367. The reversal of 87273349 is 94337278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 5244100 = 9057^2 + 2290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87273349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87273149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43636674 + 43636675.

It is an arithmetic number, because the mean of its divisors is an integer number (43636675).

Almost surely, 2^87273349 is an apocalyptic number.

It is an amenable number.

87273349 is a deficient number, since it is larger than the sum of its proper divisors (1).

87273349 is an equidigital number, since it uses as much as digits as its factorization.

87273349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 87273349 is about 9342.0206058433. The cubic root of 87273349 is about 443.5683468880.

The spelling of 87273349 in words is "eighty-seven million, two hundred seventy-three thousand, three hundred forty-nine".