88353581 has 2 divisors, whose sum is σ = 88353582. Its totient is φ = 88353580.

The previous prime is 88353571. The next prime is 88353589. The reversal of 88353581 is 18535388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 20620681 = 8230^2 + 4541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88353581 is a prime.

It is a super-2 number, since 2×88353581² = 15612710551047122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88353589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44176790 + 44176791.

It is an arithmetic number, because the mean of its divisors is an integer number (44176791).

Almost surely, 2^88353581 is an apocalyptic number.

It is an amenable number.

88353581 is a deficient number, since it is larger than the sum of its proper divisors (1).

88353581 is an equidigital number, since it uses as much as digits as its factorization.

88353581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 41.

The square root of 88353581 is about 9399.6585576286. The cubic root of 88353581 is about 445.3909471015.

The spelling of 88353581 in words is "eighty-eight million, three hundred fifty-three thousand, five hundred eighty-one".