1625477112 has 128 divisors (see below), whose sum is σ = 5213913600. Its totient is φ = 459592704.

The previous prime is 1625477111. The next prime is 1625477129. The reversal of 1625477112 is 2117745261.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625477111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141123 + ... + 152205.

It is an arithmetic number, because the mean of its divisors is an integer number (40733700).

Almost surely, 2^1625477112 is an apocalyptic number.

1625477112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625477112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606956800).

1625477112 is an abundant number, since it is smaller than the sum of its proper divisors (3588436488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625477112 is a wasteful number, since it uses less digits than its factorization.

1625477112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202 (or 11192 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 1625477112 is about 40317.2061532046. The cubic root of 1625477112 is about 1175.7823941392.

The spelling of 1625477112 in words is "one billion, six hundred twenty-five million, four hundred seventy-seven thousand, one hundred twelve".