610651 has 2 divisors, whose sum is σ = 610652. Its totient is φ = 610650.

The previous prime is 610639. The next prime is 610661. The reversal of 610651 is 156016.

610651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 610651 - 2⁵ = 610619 is a prime.

It is not a weakly prime, because it can be changed into another prime (610661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305325 + 305326.

It is an arithmetic number, because the mean of its divisors is an integer number (305326).

2⁶¹⁰⁶⁵¹ is an apocalyptic number.

610651 is a deficient number, since it is larger than the sum of its proper divisors (1).

610651 is an equidigital number, since it uses as much as digits as its factorization.

610651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 610651 is about 781.4416165012. The cubic root of 610651 is about 84.8394200105.

Adding to 610651 its reverse (156016), we get a palindrome (766667).

The spelling of 610651 in words is "six hundred ten thousand, six hundred fifty-one".