10261655 has 4 divisors (see below), whose sum is σ = 12313992. Its totient is φ = 8209320.

The previous prime is 10261639. The next prime is 10261661. The reversal of 10261655 is 55616201.

10261655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10261655 - 2⁴ = 10261639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026161 + ... + 1026170.

It is an arithmetic number, because the mean of its divisors is an integer number (3078498).

Almost surely, 2^10261655 is an apocalyptic number.

10261655 is a deficient number, since it is larger than the sum of its proper divisors (2052337).

10261655 is an equidigital number, since it uses as much as digits as its factorization.

10261655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052336.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 10261655 is about 3203.3818067786. The cubic root of 10261655 is about 217.3063763241.

Adding to 10261655 its reverse (55616201), we get a palindrome (65877856).

The spelling of 10261655 in words is "ten million, two hundred sixty-one thousand, six hundred fifty-five".