10002649 has 2 divisors, whose sum is σ = 10002650. Its totient is φ = 10002648.

The previous prime is 10002623. The next prime is 10002653. The reversal of 10002649 is 94620001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 1708249 = 2880^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002649 - 2⁷ = 10002521 is a prime.

It is not a weakly prime, because it can be changed into another prime (10002659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001324 + 5001325.

It is an arithmetic number, because the mean of its divisors is an integer number (5001325).

Almost surely, 2^10002649 is an apocalyptic number.

It is an amenable number.

10002649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002649 is an equidigital number, since it uses as much as digits as its factorization.

10002649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10002649 is about 3162.6964761102. The cubic root of 10002649 is about 215.4624909820.

The spelling of 10002649 in words is "ten million, two thousand, six hundred forty-nine".