1259525379 has 32 divisors (see below), whose sum is σ = 2005401600. Its totient is φ = 687516192.

The previous prime is 1259525369. The next prime is 1259525383. The reversal of 1259525379 is 9735259521.

It is not a de Polignac number, because 1259525379 - 2⁵ = 1259525347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1259525369) 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 in 31 ways as a sum of consecutive naturals, for example, 523822 + ... + 526220.

It is an arithmetic number, because the mean of its divisors is an integer number (62668800).

Almost surely, 2^1259525379 is an apocalyptic number.

1259525379 is a deficient number, since it is larger than the sum of its proper divisors (745876221).

1259525379 is a wasteful number, since it uses less digits than its factorization.

1259525379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519.

The product of its digits is 850500, while the sum is 48.

The square root of 1259525379 is about 35489.7926029443. The cubic root of 1259525379 is about 1079.9466648901.

The spelling of 1259525379 in words is "one billion, two hundred fifty-nine million, five hundred twenty-five thousand, three hundred seventy-nine".