10401605 has 4 divisors (see below), whose sum is σ = 12481932. Its totient is φ = 8321280.

The previous prime is 10401593. The next prime is 10401613. The reversal of 10401605 is 50610401.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7491169 + 2910436 = 2737^2 + 1706^2 .

It is not a de Polignac number, because 10401605 - 2¹² = 10397509 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, 1040156 + ... + 1040165.

It is an arithmetic number, because the mean of its divisors is an integer number (3120483).

Almost surely, 2^10401605 is an apocalyptic number.

It is an amenable number.

10401605 is a deficient number, since it is larger than the sum of its proper divisors (2080327).

10401605 is an equidigital number, since it uses as much as digits as its factorization.

10401605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080326.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10401605 is about 3225.1519344056. The cubic root of 10401605 is about 218.2898047883.

The spelling of 10401605 in words is "ten million, four hundred one thousand, six hundred five".