88529281 has 5 divisors (see below), whose sum is σ = 89451461. Its totient is φ = 87616608.

The previous prime is 88529269. The next prime is 88529297. The reversal of 88529281 is 18292588.

The square root of 88529281 is 9409.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 919681 + 87609600 = 959^2 + 9360^2 .

It is not a de Polignac number, because 88529281 - 2¹¹ = 88527233 is a prime.

It is a super-2 number, since 2×88529281² = 15674867188753922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88529201) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 912625 + ... + 912721.

Almost surely, 2^88529281 is an apocalyptic number.

88529281 is the 9409-th square number.

88529281 is the 4705-th centered octagonal number.

It is an amenable number.

88529281 is a deficient number, since it is larger than the sum of its proper divisors (922180).

88529281 is an frugal number, since it uses more digits than its factorization.

88529281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 97 counting only the distinct ones).

The product of its digits is 92160, while the sum is 43.

The cubic root of 88529281 is about 445.6859865441.

The spelling of 88529281 in words is "eighty-eight million, five hundred twenty-nine thousand, two hundred eighty-one".