252487541 has 4 divisors (see below), whose sum is σ = 252972684. Its totient is φ = 252002400.

The previous prime is 252487531. The next prime is 252487589. The reversal of 252487541 is 145784252.

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 128165041 + 124322500 = 11321^2 + 11150^2 .

It is a cyclic number.

It is not a de Polignac number, because 252487541 - 2¹⁰ = 252486517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252487495 and 252487504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252487531) 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, 241790 + ... + 242831.

It is an arithmetic number, because the mean of its divisors is an integer number (63243171).

Almost surely, 2^252487541 is an apocalyptic number.

It is an amenable number.

252487541 is a deficient number, since it is larger than the sum of its proper divisors (485143).

252487541 is an equidigital number, since it uses as much as digits as its factorization.

252487541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485142.

The product of its digits is 89600, while the sum is 38.

The square root of 252487541 is about 15889.8565443493. The cubic root of 252487541 is about 632.0430365462.

The spelling of 252487541 in words is "two hundred fifty-two million, four hundred eighty-seven thousand, five hundred forty-one".