2135425 has 12 divisors (see below), whose sum is σ = 2666620. Its totient is φ = 1696320.

The previous prime is 2135417. The next prime is 2135447. The reversal of 2135425 is 5245312.

2135425 = T₅ + T₆ + ... + T₂₃₃.

It can be written as a sum of positive squares in 6 ways, for example, as 41616 + 2093809 = 204^2 + 1447^2 .

It is not a de Polignac number, because 2135425 - 2³ = 2135417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2135396 and 2135405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5539 + ... + 5911.

2^2135425 is an apocalyptic number.

2135425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2135425 is a deficient number, since it is larger than the sum of its proper divisors (531195).

2135425 is a wasteful number, since it uses less digits than its factorization.

2135425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 607 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 2135425 is about 1461.3093443895. The cubic root of 2135425 is about 128.7739767455.

The spelling of 2135425 in words is "two million, one hundred thirty-five thousand, four hundred twenty-five".