2456609 has 2 divisors, whose sum is σ = 2456610. Its totient is φ = 2456608.

The previous prime is 2456591. The next prime is 2456617. The reversal of 2456609 is 9066542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1682209 + 774400 = 1297^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456609 - 2⁸ = 2456353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2456639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228304 + 1228305.

It is an arithmetic number, because the mean of its divisors is an integer number (1228305).

2^2456609 is an apocalyptic number.

It is an amenable number.

2456609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456609 is an equidigital number, since it uses as much as digits as its factorization.

2456609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2456609 is about 1567.3573300304. The cubic root of 2456609 is about 134.9310850823.

The spelling of 2456609 in words is "two million, four hundred fifty-six thousand, six hundred nine".