2152500 has 120 divisors (see below), whose sum is σ = 7347648. Its totient is φ = 480000.

The previous prime is 2152499. The next prime is 2152511. The reversal of 2152500 is 52512.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2152500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52480 + ... + 52520.

2^2152500 is an apocalyptic number.

2152500 is a gapful number since it is divisible by the number (20) 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 2152500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3673824).

2152500 is an abundant number, since it is smaller than the sum of its proper divisors (5195148).

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

2152500 is a wasteful number, since it uses less digits than its factorization.

2152500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2152500 is about 1467.1400751121. The cubic root of 2152500 is about 129.1162943832.

It can be divided in two parts, 21 and 52500, that multiplied together give a square (1102500 = 1050²).

The spelling of 2152500 in words is "two million, one hundred fifty-two thousand, five hundred".