88520269 has 2 divisors, whose sum is σ = 88520270. Its totient is φ = 88520268.

The previous prime is 88520251. The next prime is 88520303. The reversal of 88520269 is 96202588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87048900 + 1471369 = 9330^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 88520269 - 2⁷ = 88520141 is a prime.

It is a super-2 number, since 2×88520269² = 15671676047664722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88520969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44260134 + 44260135.

It is an arithmetic number, because the mean of its divisors is an integer number (44260135).

Almost surely, 2^88520269 is an apocalyptic number.

It is an amenable number.

88520269 is a deficient number, since it is larger than the sum of its proper divisors (1).

88520269 is an equidigital number, since it uses as much as digits as its factorization.

88520269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 88520269 is about 9408.5210846339. The cubic root of 88520269 is about 445.6708628910.

The spelling of 88520269 in words is "eighty-eight million, five hundred twenty thousand, two hundred sixty-nine".