3420015025 has 18 divisors (see below), whose sum is σ = 4933198950. Its totient is φ = 2345152320.

The previous prime is 3420015023. The next prime is 3420015031. The reversal of 3420015025 is 5205100243.

It can be written as a sum of positive squares in 3 ways, for example, as 8520561 + 3411494464 = 2919^2 + 58408^2 .

It is not a de Polignac number, because 3420015025 - 2¹ = 3420015023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420014987 and 3420015005.

It is not an unprimeable number, because it can be changed into a prime (3420015023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1394700 + ... + 1397149.

Almost surely, 2^3420015025 is an apocalyptic number.

3420015025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3420015025 is a deficient number, since it is larger than the sum of its proper divisors (1513183925).

3420015025 is a wasteful number, since it uses less digits than its factorization.

3420015025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791873 (or 2791861 counting only the distinct ones).

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

The square root of 3420015025 is about 58480.8945297522. The cubic root of 3420015025 is about 1506.6394609377.

Adding to 3420015025 its reverse (5205100243), we get a palindrome (8625115268).

The spelling of 3420015025 in words is "three billion, four hundred twenty million, fifteen thousand, twenty-five".