525379 has 2 divisors, whose sum is σ = 525380. Its totient is φ = 525378.

The previous prime is 525377. The next prime is 525391. The reversal of 525379 is 973525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525379 - 2¹ = 525377 is a prime.

Together with 525377, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 3⁶ + 5 + 7³ + 9 .

525379 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 525379.

It is not a weakly prime, because it can be changed into another prime (525373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262689 + 262690.

It is an arithmetic number, because the mean of its divisors is an integer number (262690).

2⁵²⁵³⁷⁹ is an apocalyptic number.

525379 is a deficient number, since it is larger than the sum of its proper divisors (1).

525379 is an equidigital number, since it uses as much as digits as its factorization.

525379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 31.

The square root of 525379 is about 724.8303249727. The cubic root of 525379 is about 80.6908399955.

The spelling of 525379 in words is "five hundred twenty-five thousand, three hundred seventy-nine".