252420501 has 16 divisors (see below), whose sum is σ = 344803328. Its totient is φ = 164203200.

The previous prime is 252420473. The next prime is 252420523. The reversal of 252420501 is 105024252.

It is a happy number.

252420501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252420501 - 2⁷ = 252420373 is a prime.

It is a super-2 number, since 2×252420501² = 127432218650182002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252420541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17811 + ... + 28671.

It is an arithmetic number, because the mean of its divisors is an integer number (21550208).

Almost surely, 2^252420501 is an apocalyptic number.

It is an amenable number.

252420501 is a deficient number, since it is larger than the sum of its proper divisors (92382827).

252420501 is a wasteful number, since it uses less digits than its factorization.

252420501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11052.

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

The square root of 252420501 is about 15887.7468824248. The cubic root of 252420501 is about 631.9870919825.

Adding to 252420501 its reverse (105024252), we get a palindrome (357444753).

The spelling of 252420501 in words is "two hundred fifty-two million, four hundred twenty thousand, five hundred one".