87853253 has 2 divisors, whose sum is σ = 87853254. Its totient is φ = 87853252.

The previous prime is 87853247. The next prime is 87853291. The reversal of 87853253 is 35235878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72471169 + 15382084 = 8513^2 + 3922^2 .

It is a cyclic number.

It is not a de Polignac number, because 87853253 - 2¹⁸ = 87591109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87853253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87853553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43926626 + 43926627.

It is an arithmetic number, because the mean of its divisors is an integer number (43926627).

Almost surely, 2^87853253 is an apocalyptic number.

It is an amenable number.

87853253 is a deficient number, since it is larger than the sum of its proper divisors (1).

87853253 is an equidigital number, since it uses as much as digits as its factorization.

87853253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 87853253 is about 9373.0066147421. The cubic root of 87853253 is about 444.5486363060.

The spelling of 87853253 in words is "eighty-seven million, eight hundred fifty-three thousand, two hundred fifty-three".