4206725 has 6 divisors (see below), whose sum is σ = 5216370. Its totient is φ = 3365360.

The previous prime is 4206721. The next prime is 4206737. The reversal of 4206725 is 5276024.

It can be written as a sum of positive squares in 3 ways, for example, as 1387684 + 2819041 = 1178^2 + 1679^2 .

It is not a de Polignac number, because 4206725 - 2² = 4206721 is a prime.

It is a super-3 number, since 3×4206725³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4206694 and 4206703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206721) 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, 84110 + ... + 84159.

It is an arithmetic number, because the mean of its divisors is an integer number (869395).

Almost surely, 2^4206725 is an apocalyptic number.

It is an amenable number.

4206725 is a deficient number, since it is larger than the sum of its proper divisors (1009645).

4206725 is a wasteful number, since it uses less digits than its factorization.

4206725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168279 (or 168274 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 4206725 is about 2051.0302289337. The cubic root of 4206725 is about 161.4289322346.

The spelling of 4206725 in words is "four million, two hundred six thousand, seven hundred twenty-five".