3642425 has 12 divisors (see below), whose sum is σ = 4603500. Its totient is φ = 2857920.

The previous prime is 3642377. The next prime is 3642427. The reversal of 3642425 is 5242463.

It can be written as a sum of positive squares in 6 ways, for example, as 212521 + 3429904 = 461^2 + 1852^2 .

It is not a de Polignac number, because 3642425 - 2¹⁰ = 3641401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3642394 and 3642403.

It is not an unprimeable number, because it can be changed into a prime (3642427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (383625).

Almost surely, 2^3642425 is an apocalyptic number.

It is an amenable number.

3642425 is a deficient number, since it is larger than the sum of its proper divisors (961075).

3642425 is a wasteful number, since it uses less digits than its factorization.

3642425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2807 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 3642425 is about 1908.5138197037. The cubic root of 3642425 is about 153.8615864326.

Adding to 3642425 its reverse (5242463), we get a palindrome (8884888).

The spelling of 3642425 in words is "three million, six hundred forty-two thousand, four hundred twenty-five".