10261405 has 24 divisors (see below), whose sum is σ = 15474816. Its totient is φ = 6394080.

The previous prime is 10261393. The next prime is 10261423. The reversal of 10261405 is 50416201.

It is not a de Polignac number, because 10261405 - 2¹³ = 10253213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3024 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (644784).

Almost surely, 2^10261405 is an apocalyptic number.

It is an amenable number.

10261405 is a deficient number, since it is larger than the sum of its proper divisors (5213411).

10261405 is a wasteful number, since it uses less digits than its factorization.

10261405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10261405 is about 3203.3427852792. The cubic root of 10261405 is about 217.3046115979.

Adding to 10261405 its reverse (50416201), we get a palindrome (60677606).

The spelling of 10261405 in words is "ten million, two hundred sixty-one thousand, four hundred five".