3423725 has 6 divisors (see below), whose sum is σ = 4245450. Its totient is φ = 2738960.

The previous prime is 3423713. The next prime is 3423727. The reversal of 3423725 is 5273243.

It can be written as a sum of positive squares in 3 ways, for example, as 1170724 + 2253001 = 1082^2 + 1501^2 .

It is not a de Polignac number, because 3423725 - 2⁶ = 3423661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3423694 and 3423703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68450 + ... + 68499.

It is an arithmetic number, because the mean of its divisors is an integer number (707575).

Almost surely, 2^3423725 is an apocalyptic number.

It is an amenable number.

3423725 is a deficient number, since it is larger than the sum of its proper divisors (821725).

3423725 is a wasteful number, since it uses less digits than its factorization.

3423725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136959 (or 136954 counting only the distinct ones).

The product of its digits is 5040, while the sum is 26.

The square root of 3423725 is about 1850.3310514608. The cubic root of 3423725 is about 150.7184056477.

Adding to 3423725 its reverse (5273243), we get a palindrome (8696968).

The spelling of 3423725 in words is "three million, four hundred twenty-three thousand, seven hundred twenty-five".