880265521 has 2 divisors, whose sum is σ = 880265522. Its totient is φ = 880265520.

The previous prime is 880265461. The next prime is 880265539. The reversal of 880265521 is 125562088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 856147600 + 24117921 = 29260^2 + 4911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880265521 is a prime.

It is a super-2 number, since 2×880265521² = 1549734774922802882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (880065521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440132760 + 440132761.

It is an arithmetic number, because the mean of its divisors is an integer number (440132761).

Almost surely, 2^880265521 is an apocalyptic number.

It is an amenable number.

880265521 is a deficient number, since it is larger than the sum of its proper divisors (1).

880265521 is an equidigital number, since it uses as much as digits as its factorization.

880265521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 880265521 is about 29669.2689663901. The cubic root of 880265521 is about 958.3803422200.

The spelling of 880265521 in words is "eight hundred eighty million, two hundred sixty-five thousand, five hundred twenty-one".