52001251 has 4 divisors (see below), whose sum is σ = 52487352. Its totient is φ = 51515152.

The previous prime is 52001239. The next prime is 52001267. The reversal of 52001251 is 15210025.

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 52001251 - 2¹⁹ = 51476963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52001221) 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, 242890 + ... + 243103.

It is an arithmetic number, because the mean of its divisors is an integer number (13121838).

Almost surely, 2^52001251 is an apocalyptic number.

52001251 is a deficient number, since it is larger than the sum of its proper divisors (486101).

52001251 is a wasteful number, since it uses less digits than its factorization.

52001251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486100.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52001251 is about 7211.1892916495. The cubic root of 52001251 is about 373.2541088446.

Adding to 52001251 its reverse (15210025), we get a palindrome (67211276).

The spelling of 52001251 in words is "fifty-two million, one thousand, two hundred fifty-one".