1625053650 has 48 divisors (see below), whose sum is σ = 4396513248. Its totient is φ = 393952000.

The previous prime is 1625053589. The next prime is 1625053663. The reversal of 1625053650 is 563505261.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490791 + ... + 494090.

It is an arithmetic number, because the mean of its divisors is an integer number (91594026).

Almost surely, 2^1625053650 is an apocalyptic number.

1625053650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1625053650 is an abundant number, since it is smaller than the sum of its proper divisors (2771459598).

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

1625053650 is a wasteful number, since it uses less digits than its factorization.

1625053650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984907 (or 984902 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1625053650 is about 40311.9541823514. The cubic root of 1625053650 is about 1175.6802820878.

The spelling of 1625053650 in words is "one billion, six hundred twenty-five million, fifty-three thousand, six hundred fifty".