1625131148 has 24 divisors (see below), whose sum is σ = 2969634528. Its totient is φ = 776711936.

The previous prime is 1625131139. The next prime is 1625131159. The reversal of 1625131148 is 8411315261.

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, 154340 + ... + 164532.

It is an arithmetic number, because the mean of its divisors is an integer number (123734772).

Almost surely, 2^1625131148 is an apocalyptic number.

It is an amenable number.

1625131148 is a deficient number, since it is larger than the sum of its proper divisors (1344503380).

1625131148 is a wasteful number, since it uses less digits than its factorization.

1625131148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11953 (or 11951 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 1625131148 is about 40312.9153994101. The cubic root of 1625131148 is about 1175.6989709933.

The spelling of 1625131148 in words is "one billion, six hundred twenty-five million, one hundred thirty-one thousand, one hundred forty-eight".