465825881 has 2 divisors, whose sum is σ = 465825882. Its totient is φ = 465825880.

The previous prime is 465825847. The next prime is 465825901. The reversal of 465825881 is 188528564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462250000 + 3575881 = 21500^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 465825881 - 2¹⁸ = 465563737 is a prime.

It is a super-2 number, since 2×465825881² = 433987502818852322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (465822881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232912940 + 232912941.

It is an arithmetic number, because the mean of its divisors is an integer number (232912941).

Almost surely, 2^465825881 is an apocalyptic number.

It is an amenable number.

465825881 is a deficient number, since it is larger than the sum of its proper divisors (1).

465825881 is an equidigital number, since it uses as much as digits as its factorization.

465825881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 614400, while the sum is 47.

The square root of 465825881 is about 21582.9998146690. Note that the first 3 decimals coincide. The cubic root of 465825881 is about 775.1894817997.

The spelling of 465825881 in words is "four hundred sixty-five million, eight hundred twenty-five thousand, eight hundred eighty-one".