252506005 has 8 divisors (see below), whose sum is σ = 312781824. Its totient is φ = 195488400.

The previous prime is 252505963. The next prime is 252506027. The reversal of 252506005 is 500605252.

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

It is not a de Polignac number, because 252506005 - 2¹³ = 252497813 is a prime.

It is a super-2 number, since 2×252506005² = 127518565122120050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 814381 + ... + 814690.

It is an arithmetic number, because the mean of its divisors is an integer number (39097728).

Almost surely, 2^252506005 is an apocalyptic number.

It is an amenable number.

252506005 is a deficient number, since it is larger than the sum of its proper divisors (60275819).

252506005 is a wasteful number, since it uses less digits than its factorization.

252506005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629107.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 252506005 is about 15890.4375333091. The cubic root of 252506005 is about 632.0584429277.

The spelling of 252506005 in words is "two hundred fifty-two million, five hundred six thousand, five".