10265506 has 4 divisors (see below), whose sum is σ = 15398262. Its totient is φ = 5132752.

The previous prime is 10265503. The next prime is 10265509. The reversal of 10265506 is 60556201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60556201 = 73 ⋅829537.

It is an interprime number because it is at equal distance from previous prime (10265503) and next prime (10265509).

It can be written as a sum of positive squares in only one way, i.e., 9979281 + 286225 = 3159^2 + 535^2 .

It is a super-2 number, since 2×10265506² = 210761226872072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10265503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566375 + ... + 2566378.

Almost surely, 2^10265506 is an apocalyptic number.

10265506 is a deficient number, since it is larger than the sum of its proper divisors (5132756).

10265506 is an equidigital number, since it uses as much as digits as its factorization.

10265506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132755.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 10265506 is about 3203.9828339116. The cubic root of 10265506 is about 217.3335565465. Note that the first 3 decimals are identical.

The spelling of 10265506 in words is "ten million, two hundred sixty-five thousand, five hundred six".