52401605 has 4 divisors (see below), whose sum is σ = 62881932. Its totient is φ = 41921280.

The previous prime is 52401589. The next prime is 52401611. The reversal of 52401605 is 50610425.

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 21242881 + 31158724 = 4609^2 + 5582^2 .

It is not a de Polignac number, because 52401605 - 2⁴ = 52401589 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, 5240156 + ... + 5240165.

It is an arithmetic number, because the mean of its divisors is an integer number (15720483).

Almost surely, 2^52401605 is an apocalyptic number.

It is an amenable number.

52401605 is a deficient number, since it is larger than the sum of its proper divisors (10480327).

52401605 is a wasteful number, since it uses less digits than its factorization.

52401605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480326.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 52401605 is about 7238.8952886473. The cubic root of 52401605 is about 374.2095468460.

The spelling of 52401605 in words is "fifty-two million, four hundred one thousand, six hundred five".