2742125 has 8 divisors (see below), whose sum is σ = 3422328. Its totient is φ = 2193600.

The previous prime is 2742119. The next prime is 2742127. The reversal of 2742125 is 5212472.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 2328676 = 643^2 + 1526^2 .

It is not a de Polignac number, because 2742125 - 2¹⁶ = 2676589 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 7 + 4⁹ + 2¹¹ + 1 + 2¹⁹ + 5⁹ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2742125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10844 + ... + 11093.

It is an arithmetic number, because the mean of its divisors is an integer number (427791).

2^2742125 is an apocalyptic number.

2742125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2742125 is a deficient number, since it is larger than the sum of its proper divisors (680203).

2742125 is an equidigital number, since it uses as much as digits as its factorization.

2742125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21952 (or 21942 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 2742125 is about 1655.9362910450. The cubic root of 2742125 is about 139.9681049791.

Adding to 2742125 its reverse (5212472), we get a palindrome (7954597).

The spelling of 2742125 in words is "two million, seven hundred forty-two thousand, one hundred twenty-five".