52422501 has 8 divisors (see below), whose sum is σ = 73575520. Its totient is φ = 33108912.

The previous prime is 52422481. The next prime is 52422523. The reversal of 52422501 is 10522425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52422501 - 2²¹ = 50325349 is a prime.

It is a super-2 number, since 2×52422501² = 5496237222190002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52422301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459790 + ... + 459903.

It is an arithmetic number, because the mean of its divisors is an integer number (9196940).

Almost surely, 2^52422501 is an apocalyptic number.

It is an amenable number.

52422501 is a deficient number, since it is larger than the sum of its proper divisors (21153019).

52422501 is a wasteful number, since it uses less digits than its factorization.

52422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919715.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52422501 is about 7240.3384589396. The cubic root of 52422501 is about 374.2592809686.

Adding to 52422501 its reverse (10522425), we get a palindrome (62944926).

The spelling of 52422501 in words is "fifty-two million, four hundred twenty-two thousand, five hundred one".