1525790379 has 8 divisors (see below), whose sum is σ = 2041628112. Its totient is φ = 1013573120.

The previous prime is 1525790207. The next prime is 1525790381. The reversal of 1525790379 is 9730975251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1525790379 - 2¹⁶ = 1525724843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1525790179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904134 + ... + 905819.

It is an arithmetic number, because the mean of its divisors is an integer number (255203514).

Almost surely, 2^1525790379 is an apocalyptic number.

1525790379 is a deficient number, since it is larger than the sum of its proper divisors (515837733).

1525790379 is a wasteful number, since it uses less digits than its factorization.

1525790379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810237.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 1525790379 is about 39061.3668347640. The cubic root of 1525790379 is about 1151.2375785966.

The spelling of 1525790379 in words is "one billion, five hundred twenty-five million, seven hundred ninety thousand, three hundred seventy-nine".