87353081 has 4 divisors (see below), whose sum is σ = 89384592. Its totient is φ = 85321572.

The previous prime is 87353069. The next prime is 87353093. The reversal of 87353081 is 18035378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18035378 = 2 ⋅9017689.

It is an interprime number because it is at equal distance from previous prime (87353069) and next prime (87353093).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87353081 is a prime.

It is a super-2 number, since 2×87353081² = 15261121520385122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87353681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015691 + ... + 1015776.

It is an arithmetic number, because the mean of its divisors is an integer number (22346148).

Almost surely, 2^87353081 is an apocalyptic number.

It is an amenable number.

87353081 is a deficient number, since it is larger than the sum of its proper divisors (2031511).

87353081 is a wasteful number, since it uses less digits than its factorization.

87353081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031510.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 87353081 is about 9346.2870167784. The cubic root of 87353081 is about 443.7033855419.

The spelling of 87353081 in words is "eighty-seven million, three hundred fifty-three thousand, eighty-one".