538356253 has 8 divisors (see below), whose sum is σ = 553678848. Its totient is φ = 523074384.

The previous prime is 538356233. The next prime is 538356263. The reversal of 538356253 is 352653835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538356253 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 (538356233) 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, 17700 + ... + 37282.

It is an arithmetic number, because the mean of its divisors is an integer number (69209856).

Almost surely, 2^538356253 is an apocalyptic number.

It is an amenable number.

538356253 is a deficient number, since it is larger than the sum of its proper divisors (15322595).

538356253 is a wasteful number, since it uses less digits than its factorization.

538356253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20363.

The product of its digits is 324000, while the sum is 40.

The square root of 538356253 is about 23202.5053173143. The cubic root of 538356253 is about 813.4981829960.

The spelling of 538356253 in words is "five hundred thirty-eight million, three hundred fifty-six thousand, two hundred fifty-three".