325455869 has 2 divisors, whose sum is σ = 325455870. Its totient is φ = 325455868.

The previous prime is 325455857. The next prime is 325455877. The reversal of 325455869 is 968554523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325333369 + 122500 = 18037^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 325455869 - 2²⁸ = 57020413 is a prime.

It is a super-2 number, since 2×325455869² = 211843045333090322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325455829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162727934 + 162727935.

It is an arithmetic number, because the mean of its divisors is an integer number (162727935).

Almost surely, 2^325455869 is an apocalyptic number.

It is an amenable number.

325455869 is a deficient number, since it is larger than the sum of its proper divisors (1).

325455869 is an equidigital number, since it uses as much as digits as its factorization.

325455869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 47.

The square root of 325455869 is about 18040.3954779268. The cubic root of 325455869 is about 687.8557455413.

The spelling of 325455869 in words is "three hundred twenty-five million, four hundred fifty-five thousand, eight hundred sixty-nine".