2502649 has 2 divisors, whose sum is σ = 2502650. Its totient is φ = 2502648.

The previous prime is 2502637. The next prime is 2502667. The reversal of 2502649 is 9462052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2424249 + 78400 = 1557^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502649 - 2¹¹ = 2500601 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2502629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251324 + 1251325.

It is an arithmetic number, because the mean of its divisors is an integer number (1251325).

2^2502649 is an apocalyptic number.

It is an amenable number.

2502649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502649 is an equidigital number, since it uses as much as digits as its factorization.

2502649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2502649 is about 1581.9762956505. The cubic root of 2502649 is about 135.7688005236.

The spelling of 2502649 in words is "two million, five hundred two thousand, six hundred forty-nine".