252040535 has 8 divisors (see below), whose sum is σ = 302544816. Its totient is φ = 201568320.

The previous prime is 252040531. The next prime is 252040549. The reversal of 252040535 is 535040252.

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

It is not a de Polignac number, because 252040535 - 2² = 252040531 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 (252040531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15620 + ... + 27350.

It is an arithmetic number, because the mean of its divisors is an integer number (37818102).

Almost surely, 2^252040535 is an apocalyptic number.

252040535 is a deficient number, since it is larger than the sum of its proper divisors (50504281).

252040535 is a wasteful number, since it uses less digits than its factorization.

252040535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252040535 is about 15875.7845475428. The cubic root of 252040535 is about 631.6698248330.

Adding to 252040535 its reverse (535040252), we get a palindrome (787080787).

The spelling of 252040535 in words is "two hundred fifty-two million, forty thousand, five hundred thirty-five".