1552625000 has 56 divisors (see below), whose sum is σ = 3639211230. Its totient is φ = 621000000.

The previous prime is 1552624993. The next prime is 1552625017. The reversal of 1552625000 is 5262551.

It can be written as a sum of positive squares in 7 ways, for example, as 377369476 + 1175255524 = 19426^2 + 34282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 118790 + ... + 131210.

Almost surely, 2^1552625000 is an apocalyptic number.

1552625000 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 1552625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819605615).

1552625000 is an abundant number, since it is smaller than the sum of its proper divisors (2086586230).

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

1552625000 is an frugal number, since it uses more digits than its factorization.

1552625000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457 (or 12428 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1552625000 is about 39403.3628006545. The cubic root of 1552625000 is about 1157.9474702314.

Adding to 1552625000 its reverse (5262551), we get a palindrome (1557887551).

The spelling of 1552625000 in words is "one billion, five hundred fifty-two million, six hundred twenty-five thousand".