2572500 has 120 divisors (see below), whose sum is σ = 8747200. Its totient is φ = 588000.

The previous prime is 2572489. The next prime is 2572513. The reversal of 2572500 is 52752.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 175 × 105 × 140.

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, 367497 + ... + 367503.

2^2572500 is an apocalyptic number.

2572500 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 2572500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4373600).

2572500 is an abundant number, since it is smaller than the sum of its proper divisors (6174700).

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

2572500 is an equidigital number, since it uses as much as digits as its factorization.

2572500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 2572500 is about 1603.9014932345. The cubic root of 2572500 is about 137.0203674409.

Multiplying 2572500 by its sum of digits (21), we get a square (54022500 = 7350²).

2572500 divided by its sum of digits (21) gives a square (122500 = 350²).

The spelling of 2572500 in words is "two million, five hundred seventy-two thousand, five hundred".