3641725 has 24 divisors (see below), whose sum is σ = 4825088. Its totient is φ = 2721600.

The previous prime is 3641707. The next prime is 3641731. The reversal of 3641725 is 5271463.

3641725 = T₂₇₆ + T₂₇₇ + ... + T₃₄₉.

It is not a de Polignac number, because 3641725 - 2¹⁹ = 3117437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3641693 and 3641702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28612 + ... + 28738.

Almost surely, 2^3641725 is an apocalyptic number.

It is an amenable number.

3641725 is a deficient number, since it is larger than the sum of its proper divisors (1183363).

3641725 is a wasteful number, since it uses less digits than its factorization.

3641725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 200 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 3641725 is about 1908.3304221230. The cubic root of 3641725 is about 153.8517294454.

The spelling of 3641725 in words is "three million, six hundred forty-one thousand, seven hundred twenty-five".