1315442425 has 18 divisors (see below), whose sum is σ = 1792919534. Its totient is φ = 956683200.

The previous prime is 1315442419. The next prime is 1315442431. The reversal of 1315442425 is 5242445131.

It is an interprime number because it is at equal distance from previous prime (1315442419) and next prime (1315442431).

It can be written as a sum of positive squares in 3 ways, for example, as 428117481 + 887324944 = 20691^2 + 29788^2 .

It is not a de Polignac number, because 1315442425 - 2¹⁵ = 1315409657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 214404 + ... + 220453.

Almost surely, 2^1315442425 is an apocalyptic number.

It is an amenable number.

1315442425 is a deficient number, since it is larger than the sum of its proper divisors (477477109).

1315442425 is a wasteful number, since it uses less digits than its factorization.

1315442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434889 (or 434873 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1315442425 is about 36269.0284540405. The cubic root of 1315442425 is about 1095.6973588637.

Adding to 1315442425 its reverse (5242445131), we get a palindrome (6557887556).

The spelling of 1315442425 in words is "one billion, three hundred fifteen million, four hundred forty-two thousand, four hundred twenty-five".