1625350000 has 60 divisors (see below), whose sum is σ = 3936263688. Its totient is φ = 650120000.

The previous prime is 1625349977. The next prime is 1625350007. The reversal of 1625350000 is 535261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625350007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33747 + ... + 66253.

Almost surely, 2^1625350000 is an apocalyptic number.

1625350000 is a gapful number since it is divisible by the number (10) 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 1625350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968131844).

1625350000 is an abundant number, since it is smaller than the sum of its proper divisors (2310913688).

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

1625350000 is an frugal number, since it uses more digits than its factorization.

1625350000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540 (or 32514 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1625350000 is about 40315.6297234708. The cubic root of 1625350000 is about 1175.7517446873.

Adding to 1625350000 its reverse (535261), we get a palindrome (1625885261).

The spelling of 1625350000 in words is "one billion, six hundred twenty-five million, three hundred fifty thousand".