52400253 has 8 divisors (see below), whose sum is σ = 71353728. Its totient is φ = 34190144.

The previous prime is 52400219. The next prime is 52400267. The reversal of 52400253 is 35200425.

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 52400253 - 2⁶ = 52400189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52400213) 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, 185676 + ... + 185957.

It is an arithmetic number, because the mean of its divisors is an integer number (8919216).

Almost surely, 2^52400253 is an apocalyptic number.

It is an amenable number.

52400253 is a deficient number, since it is larger than the sum of its proper divisors (18953475).

52400253 is a wasteful number, since it uses less digits than its factorization.

52400253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371683.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52400253 is about 7238.8019036302. The cubic root of 52400253 is about 374.2063285244.

Adding to 52400253 its reverse (35200425), we get a palindrome (87600678).

The spelling of 52400253 in words is "fifty-two million, four hundred thousand, two hundred fifty-three".