87016253 has 2 divisors, whose sum is σ = 87016254. Its totient is φ = 87016252.

The previous prime is 87016231. The next prime is 87016261. The reversal of 87016253 is 35261078.

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., 86806489 + 209764 = 9317^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 87016253 - 2⁸ = 87015997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87016273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43508126 + 43508127.

It is an arithmetic number, because the mean of its divisors is an integer number (43508127).

Almost surely, 2^87016253 is an apocalyptic number.

It is an amenable number.

87016253 is a deficient number, since it is larger than the sum of its proper divisors (1).

87016253 is an equidigital number, since it uses as much as digits as its factorization.

87016253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 87016253 is about 9328.2502646531. The cubic root of 87016253 is about 443.1323534846.

The spelling of 87016253 in words is "eighty-seven million, sixteen thousand, two hundred fifty-three".