245332001 has 2 divisors, whose sum is σ = 245332002. Its totient is φ = 245332000.

The previous prime is 245331997. The next prime is 245332019. The reversal of 245332001 is 100233542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220819600 + 24512401 = 14860^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 245332001 - 2² = 245331997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245331001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122666000 + 122666001.

It is an arithmetic number, because the mean of its divisors is an integer number (122666001).

Almost surely, 2^245332001 is an apocalyptic number.

It is an amenable number.

245332001 is a deficient number, since it is larger than the sum of its proper divisors (1).

245332001 is an equidigital number, since it uses as much as digits as its factorization.

245332001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 245332001 is about 15663.0776349988. The cubic root of 245332001 is about 626.0149916282.

Adding to 245332001 its reverse (100233542), we get a palindrome (345565543).

The spelling of 245332001 in words is "two hundred forty-five million, three hundred thirty-two thousand, one".