2136425 has 12 divisors (see below), whose sum is σ = 2679516. Its totient is φ = 1689600.

The previous prime is 2136419. The next prime is 2136437. The reversal of 2136425 is 5246312.

It can be written as a sum of positive squares in 6 ways, for example, as 243049 + 1893376 = 493^2 + 1376^2 .

It is not a de Polignac number, because 2136425 - 2⁶ = 2136361 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 3¹¹ + 6 + 4⁶ + 2¹¹ + 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 2136425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1985 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (223293).

2^2136425 is an apocalyptic number.

2136425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2136425 is a deficient number, since it is larger than the sum of its proper divisors (543091).

2136425 is an equidigital number, since it uses as much as digits as its factorization.

2136425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 983 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2136425 is about 1461.6514632429. The cubic root of 2136425 is about 128.7940748338.

The spelling of 2136425 in words is "two million, one hundred thirty-six thousand, four hundred twenty-five".