1532505425 has 48 divisors (see below), whose sum is σ = 2125822272. Its totient is φ = 1086566400.

The previous prime is 1532505389. The next prime is 1532505431. The reversal of 1532505425 is 5245052351.

It is not a de Polignac number, because 1532505425 - 2⁶ = 1532505361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1532505391 and 1532505400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1946882 + ... + 1947668.

It is an arithmetic number, because the mean of its divisors is an integer number (44287964).

Almost surely, 2^1532505425 is an apocalyptic number.

It is an amenable number.

1532505425 is a deficient number, since it is larger than the sum of its proper divisors (593316847).

1532505425 is a wasteful number, since it uses less digits than its factorization.

1532505425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1532505425 is about 39147.2275518970. The cubic root of 1532505425 is about 1152.9239832669.

Adding to 1532505425 its reverse (5245052351), we get a palindrome (6777557776).

The spelling of 1532505425 in words is "one billion, five hundred thirty-two million, five hundred five thousand, four hundred twenty-five".