345525001 has 2 divisors, whose sum is σ = 345525002. Its totient is φ = 345525000.

The previous prime is 345524989. The next prime is 345525023. The reversal of 345525001 is 100525543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217857600 + 127667401 = 14760^2 + 11299^2 .

It is an emirp because it is prime and its reverse (100525543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345525001 - 2⁵ = 345524969 is a prime.

It is not a weakly prime, because it can be changed into another prime (345525601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172762500 + 172762501.

It is an arithmetic number, because the mean of its divisors is an integer number (172762501).

Almost surely, 2^345525001 is an apocalyptic number.

It is an amenable number.

345525001 is a deficient number, since it is larger than the sum of its proper divisors (1).

345525001 is an equidigital number, since it uses as much as digits as its factorization.

345525001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 345525001 is about 18588.3028004173. The cubic root of 345525001 is about 701.7134899786.

The spelling of 345525001 in words is "three hundred forty-five million, five hundred twenty-five thousand, one".