152781379 has 2 divisors, whose sum is σ = 152781380. Its totient is φ = 152781378.

The previous prime is 152781359. The next prime is 152781383. The reversal of 152781379 is 973187251.

It is a strong prime.

It is an emirp because it is prime and its reverse (973187251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152781379 - 2⁹ = 152780867 is a prime.

It is not a weakly prime, because it can be changed into another prime (152781319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76390689 + 76390690.

It is an arithmetic number, because the mean of its divisors is an integer number (76390690).

Almost surely, 2^152781379 is an apocalyptic number.

152781379 is a deficient number, since it is larger than the sum of its proper divisors (1).

152781379 is an equidigital number, since it uses as much as digits as its factorization.

152781379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 43.

The square root of 152781379 is about 12360.4764875793. The cubic root of 152781379 is about 534.5932553459.

The spelling of 152781379 in words is "one hundred fifty-two million, seven hundred eighty-one thousand, three hundred seventy-nine".