252606019 has 2 divisors, whose sum is σ = 252606020. Its totient is φ = 252606018.

The previous prime is 252606017. The next prime is 252606049. The reversal of 252606019 is 910606252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252606019 - 2¹ = 252606017 is a prime.

It is a super-2 number, since 2×252606019² = 127619601670056722, which contains 22 as substring.

Together with 252606017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252606017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126303009 + 126303010.

It is an arithmetic number, because the mean of its divisors is an integer number (126303010).

Almost surely, 2^252606019 is an apocalyptic number.

252606019 is a deficient number, since it is larger than the sum of its proper divisors (1).

252606019 is an equidigital number, since it uses as much as digits as its factorization.

252606019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 252606019 is about 15893.5842087303. The cubic root of 252606019 is about 632.1418816678.

The spelling of 252606019 in words is "two hundred fifty-two million, six hundred six thousand, nineteen".