52425431 has 4 divisors (see below), whose sum is σ = 52441752. Its totient is φ = 52409112.

The previous prime is 52425419. The next prime is 52425449. The reversal of 52425431 is 13452425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52425431 - 2¹⁴ = 52409047 is a prime.

It is a super-2 number, since 2×52425431² = 5496851631071522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52425431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52425481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (13110438).

Almost surely, 2^52425431 is an apocalyptic number.

52425431 is a deficient number, since it is larger than the sum of its proper divisors (16321).

52425431 is a wasteful number, since it uses less digits than its factorization.

52425431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16320.

The product of its digits is 4800, while the sum is 26.

The square root of 52425431 is about 7240.5407947197. The cubic root of 52425431 is about 374.2662535424.

Adding to 52425431 its reverse (13452425), we get a palindrome (65877856).

The spelling of 52425431 in words is "fifty-two million, four hundred twenty-five thousand, four hundred thirty-one".