610151081 has 2 divisors, whose sum is σ = 610151082. Its totient is φ = 610151080.

The previous prime is 610151077. The next prime is 610151089. The reversal of 610151081 is 180151016.

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., 442681600 + 167469481 = 21040^2 + 12941^2 .

It is a cyclic number.

It is not a de Polignac number, because 610151081 - 2² = 610151077 is a prime.

It is a super-2 number, since 2×610151081² = 744568683290937122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (610151089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305075540 + 305075541.

It is an arithmetic number, because the mean of its divisors is an integer number (305075541).

Almost surely, 2^610151081 is an apocalyptic number.

It is an amenable number.

610151081 is a deficient number, since it is larger than the sum of its proper divisors (1).

610151081 is an equidigital number, since it uses as much as digits as its factorization.

610151081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 610151081 is about 24701.2364265435. The cubic root of 610151081 is about 848.1626198339.

The spelling of 610151081 in words is "six hundred ten million, one hundred fifty-one thousand, eighty-one".