87264053 has 2 divisors, whose sum is σ = 87264054. Its totient is φ = 87264052.

The previous prime is 87264029. The next prime is 87264059. The reversal of 87264053 is 35046278.

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., 48413764 + 38850289 = 6958^2 + 6233^2 .

It is a cyclic number.

It is not a de Polignac number, because 87264053 - 2⁶ = 87263989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87264059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43632026 + 43632027.

It is an arithmetic number, because the mean of its divisors is an integer number (43632027).

Almost surely, 2^87264053 is an apocalyptic number.

It is an amenable number.

87264053 is a deficient number, since it is larger than the sum of its proper divisors (1).

87264053 is an equidigital number, since it uses as much as digits as its factorization.

87264053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 87264053 is about 9341.5230556907. The cubic root of 87264053 is about 443.5525973004.

The spelling of 87264053 in words is "eighty-seven million, two hundred sixty-four thousand, fifty-three".