612011501 has 2 divisors, whose sum is σ = 612011502. Its totient is φ = 612011500.

The previous prime is 612011473. The next prime is 612011507. The reversal of 612011501 is 105110216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540609001 + 71402500 = 23251^2 + 8450^2 .

It is a cyclic number.

It is not a de Polignac number, because 612011501 - 2¹⁴ = 611995117 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612011501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612011507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306005750 + 306005751.

It is an arithmetic number, because the mean of its divisors is an integer number (306005751).

Almost surely, 2^612011501 is an apocalyptic number.

It is an amenable number.

612011501 is a deficient number, since it is larger than the sum of its proper divisors (1).

612011501 is an equidigital number, since it uses as much as digits as its factorization.

612011501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 612011501 is about 24738.8662027992. The cubic root of 612011501 is about 849.0237932328.

Adding to 612011501 its reverse (105110216), we get a palindrome (717121717).

The spelling of 612011501 in words is "six hundred twelve million, eleven thousand, five hundred one".