52101019 has 4 divisors (see below), whose sum is σ = 52579120. Its totient is φ = 51622920.

The previous prime is 52101017. The next prime is 52101083. The reversal of 52101019 is 91010125.

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 52101019 - 2¹ = 52101017 is a prime.

It is a super-2 number, since 2×52101019² = 5429032361676722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52100987 and 52101005.

It is not an unprimeable number, because it can be changed into a prime (52101017) 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, 238887 + ... + 239104.

It is an arithmetic number, because the mean of its divisors is an integer number (13144780).

Almost surely, 2^52101019 is an apocalyptic number.

52101019 is a deficient number, since it is larger than the sum of its proper divisors (478101).

52101019 is a wasteful number, since it uses less digits than its factorization.

52101019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478100.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 52101019 is about 7218.1035598002. The cubic root of 52101019 is about 373.4926609658.

The spelling of 52101019 in words is "fifty-two million, one hundred one thousand, nineteen".