1315161425 has 24 divisors (see below), whose sum is σ = 1665640416. Its totient is φ = 1029853440.

The previous prime is 1315161401. The next prime is 1315161431. The reversal of 1315161425 is 5241615131.

It is not a de Polignac number, because 1315161425 - 2¹² = 1315157329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270617 + ... + 275433.

It is an arithmetic number, because the mean of its divisors is an integer number (69401684).

Almost surely, 2^1315161425 is an apocalyptic number.

It is an amenable number.

1315161425 is a deficient number, since it is larger than the sum of its proper divisors (350478991).

1315161425 is a wasteful number, since it uses less digits than its factorization.

1315161425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057 (or 5052 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1315161425 is about 36265.1544185324. The cubic root of 1315161425 is about 1095.6193336867.

Adding to 1315161425 its reverse (5241615131), we get a palindrome (6556776556).

The spelling of 1315161425 in words is "one billion, three hundred fifteen million, one hundred sixty-one thousand, four hundred twenty-five".