2575429 has 4 divisors (see below), whose sum is σ = 2624076. Its totient is φ = 2526784.

The previous prime is 2575421. The next prime is 2575439. The reversal of 2575429 is 9245752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1716100 + 859329 = 1310^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575429 - 2³ = 2575421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2575394 and 2575403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24244 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (656019).

2^2575429 is an apocalyptic number.

It is an amenable number.

2575429 is a deficient number, since it is larger than the sum of its proper divisors (48647).

2575429 is an equidigital number, since it uses as much as digits as its factorization.

2575429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48646.

The product of its digits is 25200, while the sum is 34.

The square root of 2575429 is about 1604.8143194775. The cubic root of 2575429 is about 137.0723506526.

The spelling of 2575429 in words is "two million, five hundred seventy-five thousand, four hundred twenty-nine".