610155461 has 2 divisors, whose sum is σ = 610155462. Its totient is φ = 610155460.

The previous prime is 610155437. The next prime is 610155463. The reversal of 610155461 is 164551016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311522500 + 298632961 = 17650^2 + 17281^2 .

It is a cyclic number.

It is not a de Polignac number, because 610155461 - 2⁶ = 610155397 is a prime.

Together with 610155463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610155463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305077730 + 305077731.

It is an arithmetic number, because the mean of its divisors is an integer number (305077731).

Almost surely, 2^610155461 is an apocalyptic number.

It is an amenable number.

610155461 is a deficient number, since it is larger than the sum of its proper divisors (1).

610155461 is an equidigital number, since it uses as much as digits as its factorization.

610155461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 610155461 is about 24701.3250859139. The cubic root of 610155461 is about 848.1646493549.

The spelling of 610155461 in words is "six hundred ten million, one hundred fifty-five thousand, four hundred sixty-one".