610651651 has 2 divisors, whose sum is σ = 610651652. Its totient is φ = 610651650.

The previous prime is 610651649. The next prime is 610651693. The reversal of 610651651 is 156156016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610651651 - 2¹ = 610651649 is a prime.

Together with 610651649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (610651631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305325825 + 305325826.

It is an arithmetic number, because the mean of its divisors is an integer number (305325826).

Almost surely, 2^610651651 is an apocalyptic number.

610651651 is a deficient number, since it is larger than the sum of its proper divisors (1).

610651651 is an equidigital number, since it uses as much as digits as its factorization.

610651651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 610651651 is about 24711.3668379554. The cubic root of 610651651 is about 848.3945015890.

The spelling of 610651651 in words is "six hundred ten million, six hundred fifty-one thousand, six hundred fifty-one".