2123425 has 12 divisors (see below), whose sum is σ = 2654716. Its totient is φ = 1684800.

The previous prime is 2123423. The next prime is 2123461. The reversal of 2123425 is 5243212.

It can be written as a sum of positive squares in 6 ways, for example, as 185761 + 1937664 = 431^2 + 1392^2 .

It is not a de Polignac number, because 2123425 - 2¹ = 2123423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123423) 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, 3655 + ... + 4195.

2^2123425 is an apocalyptic number.

2123425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123425 is a deficient number, since it is larger than the sum of its proper divisors (531291).

2123425 is a wasteful number, since it uses less digits than its factorization.

2123425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 703 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 2123425 is about 1457.1976530313. The cubic root of 2123425 is about 128.5323087921.

Adding to 2123425 its reverse (5243212), we get a palindrome (7366637).

The spelling of 2123425 in words is "two million, one hundred twenty-three thousand, four hundred twenty-five".