345525379 has 2 divisors, whose sum is σ = 345525380. Its totient is φ = 345525378.

The previous prime is 345525353. The next prime is 345525413. The reversal of 345525379 is 973525543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345525379 - 2⁵ = 345525347 is a prime.

It is not a weakly prime, because it can be changed into another prime (345525319) 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, 172762689 + 172762690.

It is an arithmetic number, because the mean of its divisors is an integer number (172762690).

Almost surely, 2^345525379 is an apocalyptic number.

345525379 is a deficient number, since it is larger than the sum of its proper divisors (1).

345525379 is an equidigital number, since it uses as much as digits as its factorization.

345525379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 43.

The square root of 345525379 is about 18588.3129680991. The cubic root of 345525379 is about 701.7137458671.

The spelling of 345525379 in words is "three hundred forty-five million, five hundred twenty-five thousand, three hundred seventy-nine".