87097453 has 2 divisors, whose sum is σ = 87097454. Its totient is φ = 87097452.

The previous prime is 87097379. The next prime is 87097457. The reversal of 87097453 is 35479078.

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., 52027369 + 35070084 = 7213^2 + 5922^2 .

It is a cyclic number.

It is not a de Polignac number, because 87097453 - 2⁹ = 87096941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87097457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43548726 + 43548727.

It is an arithmetic number, because the mean of its divisors is an integer number (43548727).

Almost surely, 2^87097453 is an apocalyptic number.

It is an amenable number.

87097453 is a deficient number, since it is larger than the sum of its proper divisors (1).

87097453 is an equidigital number, since it uses as much as digits as its factorization.

87097453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 87097453 is about 9332.6016201272. The cubic root of 87097453 is about 443.2701482806.

The spelling of 87097453 in words is "eighty-seven million, ninety-seven thousand, four hundred fifty-three".