2621125 has 16 divisors (see below), whose sum is σ = 3524976. Its totient is φ = 1934400.

The previous prime is 2621119. The next prime is 2621131. The reversal of 2621125 is 5211262.

It is an interprime number because it is at equal distance from previous prime (2621119) and next prime (2621131).

It can be written as a sum of positive squares in 8 ways, for example, as 1185921 + 1435204 = 1089^2 + 1198^2 .

It is not a de Polignac number, because 2621125 - 2¹⁵ = 2588357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (220311).

2^2621125 is an apocalyptic number.

2621125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2621125 is a deficient number, since it is larger than the sum of its proper divisors (903851).

2621125 is a wasteful number, since it uses less digits than its factorization.

2621125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1631 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 2621125 is about 1618.9888819878. The cubic root of 2621125 is about 137.8782970980.

Adding to 2621125 its reverse (5211262), we get a palindrome (7832387).

The spelling of 2621125 in words is "two million, six hundred twenty-one thousand, one hundred twenty-five".