1387054625 has 32 divisors (see below), whose sum is σ = 1987839360. Its totient is φ = 955656000.

The previous prime is 1387054621. The next prime is 1387054649. The reversal of 1387054625 is 5264507831.

It is not a de Polignac number, because 1387054625 - 2² = 1387054621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1387054621) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 422 + ... + 52671.

It is an arithmetic number, because the mean of its divisors is an integer number (62119980).

Almost surely, 2^1387054625 is an apocalyptic number.

It is an amenable number.

1387054625 is a deficient number, since it is larger than the sum of its proper divisors (600784735).

1387054625 is a wasteful number, since it uses less digits than its factorization.

1387054625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53138 (or 53128 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 1387054625 is about 37243.1822619926. The cubic root of 1387054625 is about 1115.2302004139.

The spelling of 1387054625 in words is "one billion, three hundred eighty-seven million, fifty-four thousand, six hundred twenty-five".