252061379 has 2 divisors, whose sum is σ = 252061380. Its totient is φ = 252061378.

The previous prime is 252061373. The next prime is 252061409. The reversal of 252061379 is 973160252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252061379 is a prime.

It is not a weakly prime, because it can be changed into another prime (252061373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126030689 + 126030690.

It is an arithmetic number, because the mean of its divisors is an integer number (126030690).

Almost surely, 2^252061379 is an apocalyptic number.

252061379 is a deficient number, since it is larger than the sum of its proper divisors (1).

252061379 is an equidigital number, since it uses as much as digits as its factorization.

252061379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 252061379 is about 15876.4410054647. The cubic root of 252061379 is about 631.6872375915.

The spelling of 252061379 in words is "two hundred fifty-two million, sixty-one thousand, three hundred seventy-nine".