88403261 has 4 divisors (see below), whose sum is σ = 88535292. Its totient is φ = 88271232.

The previous prime is 88403243. The next prime is 88403269. The reversal of 88403261 is 16230488.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25502500 + 62900761 = 5050^2 + 7931^2 .

It is a cyclic number.

It is not a de Polignac number, because 88403261 - 2⁶ = 88403197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88403269) 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, 65006 + ... + 66351.

It is an arithmetic number, because the mean of its divisors is an integer number (22133823).

Almost surely, 2^88403261 is an apocalyptic number.

It is an amenable number.

88403261 is a deficient number, since it is larger than the sum of its proper divisors (132031).

88403261 is a wasteful number, since it uses less digits than its factorization.

88403261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132030.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 88403261 is about 9402.3008354338. The cubic root of 88403261 is about 445.4744105222.

The spelling of 88403261 in words is "eighty-eight million, four hundred three thousand, two hundred sixty-one".