87347453 has 2 divisors, whose sum is σ = 87347454. Its totient is φ = 87347452.

The previous prime is 87347443. The next prime is 87347467. The reversal of 87347453 is 35474378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 28334329 = 7682^2 + 5323^2 .

It is a cyclic number.

It is not a de Polignac number, because 87347453 - 2¹² = 87343357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87347453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87347413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43673726 + 43673727.

It is an arithmetic number, because the mean of its divisors is an integer number (43673727).

Almost surely, 2^87347453 is an apocalyptic number.

It is an amenable number.

87347453 is a deficient number, since it is larger than the sum of its proper divisors (1).

87347453 is an equidigital number, since it uses as much as digits as its factorization.

87347453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 87347453 is about 9345.9859297990. The cubic root of 87347453 is about 443.6938563367.

The spelling of 87347453 in words is "eighty-seven million, three hundred forty-seven thousand, four hundred fifty-three".