252468541 has 4 divisors (see below), whose sum is σ = 271889212. Its totient is φ = 233047872.

The previous prime is 252468499. The next prime is 252468641. The reversal of 252468541 is 145864252.

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 54081316 + 198387225 = 7354^2 + 14085^2 .

It is a cyclic number.

It is not a de Polignac number, because 252468541 - 2⁷ = 252468413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252468541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252468641) 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, 9710316 + ... + 9710341.

It is an arithmetic number, because the mean of its divisors is an integer number (67972303).

Almost surely, 2^252468541 is an apocalyptic number.

It is an amenable number.

252468541 is a deficient number, since it is larger than the sum of its proper divisors (19420671).

252468541 is a wasteful number, since it uses less digits than its factorization.

252468541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19420670.

The product of its digits is 76800, while the sum is 37.

The square root of 252468541 is about 15889.2586674143. The cubic root of 252468541 is about 632.0271821415.

It can be divided in two parts, 252468 and 541, that added together give a square (253009 = 503²).

The spelling of 252468541 in words is "two hundred fifty-two million, four hundred sixty-eight thousand, five hundred forty-one".