10260649 has 6 divisors (see below), whose sum is σ = 11935914. Its totient is φ = 8794800.

The previous prime is 10260643. The next prime is 10260683. The reversal of 10260649 is 94606201.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 3732624 = 2555^2 + 1932^2 .

It is not a de Polignac number, because 10260649 - 2¹⁷ = 10129577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10260643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104652 + ... + 104749.

It is an arithmetic number, because the mean of its divisors is an integer number (1989319).

Almost surely, 2^10260649 is an apocalyptic number.

It is an amenable number.

10260649 is a deficient number, since it is larger than the sum of its proper divisors (1675265).

10260649 is an equidigital number, since it uses as much as digits as its factorization.

10260649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209415 (or 209408 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10260649 is about 3203.2247813727. The cubic root of 10260649 is about 217.2992748914.

The spelling of 10260649 in words is "ten million, two hundred sixty thousand, six hundred forty-nine".