52505401 has 8 divisors (see below), whose sum is σ = 59870664. Its totient is φ = 45615360.

The previous prime is 52505393. The next prime is 52505407. The reversal of 52505401 is 10450525.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 52490025 = 124^2 + 7245^2 .

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 52505401 - 2³ = 52505393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52505407) 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, 118570 + ... + 119011.

It is an arithmetic number, because the mean of its divisors is an integer number (7483833).

Almost surely, 2^52505401 is an apocalyptic number.

It is an amenable number.

52505401 is a deficient number, since it is larger than the sum of its proper divisors (7365263).

52505401 is a wasteful number, since it uses less digits than its factorization.

52505401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237611.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52505401 is about 7246.0610679182. The cubic root of 52505401 is about 374.4564593650.

Adding to 52505401 its reverse (10450525), we get a palindrome (62955926).

The spelling of 52505401 in words is "fifty-two million, five hundred five thousand, four hundred one".