325554869 has 2 divisors, whose sum is σ = 325554870. Its totient is φ = 325554868.

The previous prime is 325554863. The next prime is 325554871. The reversal of 325554869 is 968455523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321771844 + 3783025 = 17938^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 325554869 - 2¹² = 325550773 is a prime.

It is a super-2 number, since 2×325554869² = 211971945459214322, which contains 22 as substring.

Together with 325554871, 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 (325554863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162777434 + 162777435.

It is an arithmetic number, because the mean of its divisors is an integer number (162777435).

Almost surely, 2^325554869 is an apocalyptic number.

It is an amenable number.

325554869 is a deficient number, since it is larger than the sum of its proper divisors (1).

325554869 is an equidigital number, since it uses as much as digits as its factorization.

325554869 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 325554869 is about 18043.1391115848. The cubic root of 325554869 is about 687.9254844538.

The spelling of 325554869 in words is "three hundred twenty-five million, five hundred fifty-four thousand, eight hundred sixty-nine".