538011253 has 8 divisors (see below), whose sum is σ = 581654808. Its totient is φ = 494690304.

The previous prime is 538011217. The next prime is 538011259. The reversal of 538011253 is 352110835.

It can be written as a sum of positive squares in 4 ways, for example, as 143472484 + 394538769 = 11978^2 + 19863^2 .

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 538011253 - 2¹³ = 538003061 is a prime.

It is a super-2 number, since 2×538011253² = 578912216709260018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538011259) 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, 77176 + ... + 83857.

It is an arithmetic number, because the mean of its divisors is an integer number (72706851).

Almost surely, 2^538011253 is an apocalyptic number.

It is an amenable number.

538011253 is a deficient number, since it is larger than the sum of its proper divisors (43643555).

538011253 is a wasteful number, since it uses less digits than its factorization.

538011253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161303.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 538011253 is about 23195.0695838577. The cubic root of 538011253 is about 813.3243719152.

The spelling of 538011253 in words is "five hundred thirty-eight million, eleven thousand, two hundred fifty-three".