87234053 has 2 divisors, whose sum is σ = 87234054. Its totient is φ = 87234052.

The previous prime is 87234013. The next prime is 87234061. The reversal of 87234053 is 35043278.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52388644 + 34845409 = 7238^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 87234053 - 2⁶ = 87233989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87234013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43617026 + 43617027.

It is an arithmetic number, because the mean of its divisors is an integer number (43617027).

Almost surely, 2^87234053 is an apocalyptic number.

It is an amenable number.

87234053 is a deficient number, since it is larger than the sum of its proper divisors (1).

87234053 is an equidigital number, since it uses as much as digits as its factorization.

87234053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 87234053 is about 9339.9171837870. The cubic root of 87234053 is about 443.5017626874.

The spelling of 87234053 in words is "eighty-seven million, two hundred thirty-four thousand, fifty-three".