52120501 has 4 divisors (see below), whose sum is σ = 52200972. Its totient is φ = 52040032.

The previous prime is 52120483. The next prime is 52120547. The reversal of 52120501 is 10502125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 45495025 = 2574^2 + 6745^2 .

It is a cyclic number.

It is not a de Polignac number, because 52120501 - 2²¹ = 50023349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120561) 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, 39256 + ... + 40561.

It is an arithmetic number, because the mean of its divisors is an integer number (13050243).

Almost surely, 2^52120501 is an apocalyptic number.

It is an amenable number.

52120501 is a deficient number, since it is larger than the sum of its proper divisors (80471).

52120501 is an equidigital number, since it uses as much as digits as its factorization.

52120501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80470.

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

The square root of 52120501 is about 7219.4529571152. The cubic root of 52120501 is about 373.5392082145.

Adding to 52120501 its reverse (10502125), we get a palindrome (62622626).

The spelling of 52120501 in words is "fifty-two million, one hundred twenty thousand, five hundred one".