52251501 has 12 divisors (see below), whose sum is σ = 73529952. Its totient is φ = 33000264.

The previous prime is 52251487. The next prime is 52251509. The reversal of 52251501 is 10515225.

It is not a de Polignac number, because 52251501 - 2¹⁰ = 52250477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23041 + ... + 25206.

It is an arithmetic number, because the mean of its divisors is an integer number (6127496).

Almost surely, 2^52251501 is an apocalyptic number.

It is an amenable number.

52251501 is a deficient number, since it is larger than the sum of its proper divisors (21278451).

52251501 is a wasteful number, since it uses less digits than its factorization.

52251501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48288 (or 48269 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 52251501 is about 7228.5199729959. The cubic root of 52251501 is about 373.8518983318.

Adding to 52251501 its reverse (10515225), we get a palindrome (62766726).

The spelling of 52251501 in words is "fifty-two million, two hundred fifty-one thousand, five hundred one".