5220201251 has 4 divisors (see below), whose sum is σ = 5222435400. Its totient is φ = 5217967104.

The previous prime is 5220201229. The next prime is 5220201257. The reversal of 5220201251 is 1521020225.

It is a happy number.

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 5220201251 - 2¹⁸ = 5219939107 is a prime.

It is a super-2 number, since 2×5220201251² = 54501002201883930002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5220201257) 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, 1113566 + ... + 1118243.

It is an arithmetic number, because the mean of its divisors is an integer number (1305608850).

Almost surely, 2^5220201251 is an apocalyptic number.

5220201251 is a deficient number, since it is larger than the sum of its proper divisors (2234149).

5220201251 is a wasteful number, since it uses less digits than its factorization.

5220201251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234148.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5220201251 is about 72250.9602081523. The cubic root of 5220201251 is about 1734.7187878436.

Adding to 5220201251 its reverse (1521020225), we get a palindrome (6741221476).

The spelling of 5220201251 in words is "five billion, two hundred twenty million, two hundred one thousand, two hundred fifty-one".