612003001 has 2 divisors, whose sum is σ = 612003002. Its totient is φ = 612003000.

The previous prime is 612002999. The next prime is 612003013. The reversal of 612003001 is 100300216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435139600 + 176863401 = 20860^2 + 13299^2 .

It is a cyclic number.

It is not a de Polignac number, because 612003001 - 2¹ = 612002999 is a prime.

Together with 612002999, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612003061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306001500 + 306001501.

It is an arithmetic number, because the mean of its divisors is an integer number (306001501).

Almost surely, 2^612003001 is an apocalyptic number.

It is an amenable number.

612003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

612003001 is an equidigital number, since it uses as much as digits as its factorization.

612003001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 612003001 is about 24738.6944077492. The cubic root of 612003001 is about 849.0198626228.

Adding to 612003001 its reverse (100300216), we get a palindrome (712303217).

The spelling of 612003001 in words is "six hundred twelve million, three thousand, one".