327125551 has 2 divisors, whose sum is σ = 327125552. Its totient is φ = 327125550.

The previous prime is 327125537. The next prime is 327125569. The reversal of 327125551 is 155521723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327125551 - 2²¹ = 325028399 is a prime.

It is a super-2 number, since 2×327125551² = 214022252234107202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327125521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163562775 + 163562776.

It is an arithmetic number, because the mean of its divisors is an integer number (163562776).

Almost surely, 2^327125551 is an apocalyptic number.

327125551 is a deficient number, since it is larger than the sum of its proper divisors (1).

327125551 is an equidigital number, since it uses as much as digits as its factorization.

327125551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 31.

The square root of 327125551 is about 18086.6124799532. The cubic root of 327125551 is about 689.0300387911.

The spelling of 327125551 in words is "three hundred twenty-seven million, one hundred twenty-five thousand, five hundred fifty-one".