253312001 has 2 divisors, whose sum is σ = 253312002. Its totient is φ = 253312000.

The previous prime is 253311991. The next prime is 253312021. The reversal of 253312001 is 100213352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236698225 + 16613776 = 15385^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 253312001 - 2²² = 249117697 is a prime.

It is not a weakly prime, because it can be changed into another prime (253312021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126656000 + 126656001.

It is an arithmetic number, because the mean of its divisors is an integer number (126656001).

Almost surely, 2^253312001 is an apocalyptic number.

It is an amenable number.

253312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

253312001 is an equidigital number, since it uses as much as digits as its factorization.

253312001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 253312001 is about 15915.7783661372. The cubic root of 253312001 is about 632.7302361887.

Adding to 253312001 its reverse (100213352), we get a palindrome (353525353).

The spelling of 253312001 in words is "two hundred fifty-three million, three hundred twelve thousand, one".