245980379 has 2 divisors, whose sum is σ = 245980380. Its totient is φ = 245980378.

The previous prime is 245980369. The next prime is 245980411. The reversal of 245980379 is 973089542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245980379 - 2⁴ = 245980363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (245980369) by changing a digit.

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 as a sum of consecutive naturals, namely, 122990189 + 122990190.

It is an arithmetic number, because the mean of its divisors is an integer number (122990190).

Almost surely, 2^245980379 is an apocalyptic number.

245980379 is a deficient number, since it is larger than the sum of its proper divisors (1).

245980379 is an equidigital number, since it uses as much as digits as its factorization.

245980379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 245980379 is about 15683.7616342509. The cubic root of 245980379 is about 626.5659963847.

The spelling of 245980379 in words is "two hundred forty-five million, nine hundred eighty thousand, three hundred seventy-nine".