10269261 has 10 divisors (see below), whose sum is σ = 15340622. Its totient is φ = 6846120.

The previous prime is 10269257. The next prime is 10269263. The reversal of 10269261 is 16296201.

10269261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 2232036 = 2835^2 + 1494^2 .

It is not a de Polignac number, because 10269261 - 2² = 10269257 is a prime.

It is a super-2 number, since 2×10269261² = 210915442972242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10269263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 63310 + ... + 63471.

Almost surely, 2^10269261 is an apocalyptic number.

It is an amenable number.

10269261 is a deficient number, since it is larger than the sum of its proper divisors (5071361).

10269261 is an equidigital number, since it uses as much as digits as its factorization.

10269261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126793 (or 126784 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10269261 is about 3204.5687697411. The cubic root of 10269261 is about 217.3600526594.

The spelling of 10269261 in words is "ten million, two hundred sixty-nine thousand, two hundred sixty-one".