1525425401 has 8 divisors (see below), whose sum is σ = 1576737024. Its totient is φ = 1474245360.

The previous prime is 1525425361. The next prime is 1525425403. The reversal of 1525425401 is 1045245251.

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 1525425401 - 2³⁰ = 451683577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525425403) 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 in 7 ways as a sum of consecutive naturals, for example, 9035 + ... + 55968.

It is an arithmetic number, because the mean of its divisors is an integer number (197092128).

Almost surely, 2^1525425401 is an apocalyptic number.

It is an amenable number.

1525425401 is a deficient number, since it is larger than the sum of its proper divisors (51311623).

1525425401 is an equidigital number, since it uses as much as digits as its factorization.

1525425401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65791.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1525425401 is about 39056.6947014209. The cubic root of 1525425401 is about 1151.1457770179.

The spelling of 1525425401 in words is "one billion, five hundred twenty-five million, four hundred twenty-five thousand, four hundred one".