52251403 has 8 divisors (see below), whose sum is σ = 53267760. Its totient is φ = 51239520.

The previous prime is 52251401. The next prime is 52251449. The reversal of 52251403 is 30415225.

52251403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52251403 - 2¹ = 52251401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52251401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31101 + ... + 32737.

It is an arithmetic number, because the mean of its divisors is an integer number (6658470).

Almost surely, 2^52251403 is an apocalyptic number.

52251403 is a deficient number, since it is larger than the sum of its proper divisors (1016357).

52251403 is a wasteful number, since it uses less digits than its factorization.

52251403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52251403 is about 7228.5131942883. The cubic root of 52251403 is about 373.8516646064.

Adding to 52251403 its reverse (30415225), we get a palindrome (82666628).

The spelling of 52251403 in words is "fifty-two million, two hundred fifty-one thousand, four hundred three".