1316437925 has 48 divisors (see below), whose sum is σ = 1905628032. Its totient is φ = 891494400.

The previous prime is 1316437921. The next prime is 1316437949. The reversal of 1316437925 is 5297346131.

It is not a de Polignac number, because 1316437925 - 2² = 1316437921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316437921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452024 + ... + 454926.

It is an arithmetic number, because the mean of its divisors is an integer number (39700584).

Almost surely, 2^1316437925 is an apocalyptic number.

It is an amenable number.

1316437925 is a deficient number, since it is larger than the sum of its proper divisors (589190107).

1316437925 is a wasteful number, since it uses less digits than its factorization.

1316437925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3033 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 1316437925 is about 36282.7496890740. The cubic root of 1316437925 is about 1095.9736896400.

The spelling of 1316437925 in words is "one billion, three hundred sixteen million, four hundred thirty-seven thousand, nine hundred twenty-five".