252006787 has 4 divisors (see below), whose sum is σ = 258153336. Its totient is φ = 245860240.

The previous prime is 252006779. The next prime is 252006803. The reversal of 252006787 is 787600252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252006787 - 2³ = 252006779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252006757) 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, 3073213 + ... + 3073294.

It is an arithmetic number, because the mean of its divisors is an integer number (64538334).

Almost surely, 2^252006787 is an apocalyptic number.

252006787 is a deficient number, since it is larger than the sum of its proper divisors (6146549).

252006787 is an equidigital number, since it uses as much as digits as its factorization.

252006787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146548.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 252006787 is about 15874.7216353547. The cubic root of 252006787 is about 631.6416302349.

The spelling of 252006787 in words is "two hundred fifty-two million, six thousand, seven hundred eighty-seven".