612510061 has 2 divisors, whose sum is σ = 612510062. Its totient is φ = 612510060.

The previous prime is 612509999. The next prime is 612510071. The reversal of 612510061 is 160015216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604864836 + 7645225 = 24594^2 + 2765^2 .

It is a cyclic number.

It is not a de Polignac number, because 612510061 - 2²⁷ = 478292333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612510071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306255030 + 306255031.

It is an arithmetic number, because the mean of its divisors is an integer number (306255031).

Almost surely, 2^612510061 is an apocalyptic number.

It is an amenable number.

612510061 is a deficient number, since it is larger than the sum of its proper divisors (1).

612510061 is an equidigital number, since it uses as much as digits as its factorization.

612510061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 612510061 is about 24748.9406035895. The cubic root of 612510061 is about 849.2542760549.

Adding to 612510061 its reverse (160015216), we get a palindrome (772525277).

The spelling of 612510061 in words is "six hundred twelve million, five hundred ten thousand, sixty-one".