52013405 has 8 divisors (see below), whose sum is σ = 63594072. Its totient is φ = 40825408.

The previous prime is 52013389. The next prime is 52013407. The reversal of 52013405 is 50431025.

It can be written as a sum of positive squares in 4 ways, for example, as 17884441 + 34128964 = 4229^2 + 5842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52013405 - 2⁴ = 52013389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52013407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97874 + ... + 98403.

It is an arithmetic number, because the mean of its divisors is an integer number (7949259).

Almost surely, 2^52013405 is an apocalyptic number.

It is an amenable number.

52013405 is a deficient number, since it is larger than the sum of its proper divisors (11580667).

52013405 is a wasteful number, since it uses less digits than its factorization.

52013405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196335.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52013405 is about 7212.0319605504. The cubic root of 52013405 is about 373.2831862030.

The spelling of 52013405 in words is "fifty-two million, thirteen thousand, four hundred five".