2512266649 has 2 divisors, whose sum is σ = 2512266650. Its totient is φ = 2512266648.

The previous prime is 2512266637. The next prime is 2512266661. The reversal of 2512266649 is 9466622152.

It is a balanced prime because it is at equal distance from previous prime (2512266637) and next prime (2512266661).

It can be written as a sum of positive squares in only one way, i.e., 2511513225 + 753424 = 50115^2 + 868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512266649 is a prime.

It is a super-2 number, since 2×2512266649² = 12622967431355378402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2512266949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256133324 + 1256133325.

It is an arithmetic number, because the mean of its divisors is an integer number (1256133325).

Almost surely, 2^2512266649 is an apocalyptic number.

It is an amenable number.

2512266649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512266649 is an equidigital number, since it uses as much as digits as its factorization.

2512266649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 2512266649 is about 50122.5163873483. The cubic root of 2512266649 is about 1359.4249747913.

The spelling of 2512266649 in words is "two billion, five hundred twelve million, two hundred sixty-six thousand, six hundred forty-nine".