1513425505 has 8 divisors (see below), whose sum is σ = 1824042600. Its totient is φ = 1205452416.

The previous prime is 1513425499. The next prime is 1513425533. The reversal of 1513425505 is 5055243151.

It can be written as a sum of positive squares in 4 ways, for example, as 91833889 + 1421591616 = 9583^2 + 37704^2 .

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 1513425505 - 2¹³ = 1513417313 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 659740 + ... + 662029.

It is an arithmetic number, because the mean of its divisors is an integer number (228005325).

Almost surely, 2^1513425505 is an apocalyptic number.

It is an amenable number.

1513425505 is a deficient number, since it is larger than the sum of its proper divisors (310617095).

1513425505 is a wasteful number, since it uses less digits than its factorization.

1513425505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322003.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1513425505 is about 38902.7698885311. The cubic root of 1513425505 is about 1148.1192964952.

Adding to 1513425505 its reverse (5055243151), we get a palindrome (6568668656).

The spelling of 1513425505 in words is "one billion, five hundred thirteen million, four hundred twenty-five thousand, five hundred five".