88430261 has 2 divisors, whose sum is σ = 88430262. Its totient is φ = 88430260.

The previous prime is 88430219. The next prime is 88430263. The reversal of 88430261 is 16203488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84529636 + 3900625 = 9194^2 + 1975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88430261 is a prime.

It is a super-2 number, since 2×88430261² = 15639822121056242, which contains 22 as substring.

Together with 88430263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88430263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44215130 + 44215131.

It is an arithmetic number, because the mean of its divisors is an integer number (44215131).

Almost surely, 2^88430261 is an apocalyptic number.

It is an amenable number.

88430261 is a deficient number, since it is larger than the sum of its proper divisors (1).

88430261 is an equidigital number, since it uses as much as digits as its factorization.

88430261 is an evil number, because the sum of its binary digits is even.

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

The square root of 88430261 is about 9403.7365445869. The cubic root of 88430261 is about 445.5197579625.

The spelling of 88430261 in words is "eighty-eight million, four hundred thirty thousand, two hundred sixty-one".