3561725 has 6 divisors (see below), whose sum is σ = 4416570. Its totient is φ = 2849360.

The previous prime is 3561703. The next prime is 3561749. The reversal of 3561725 is 5271653.

It can be written as a sum of positive squares in 3 ways, for example, as 109561 + 3452164 = 331^2 + 1858^2 .

It is not a de Polignac number, because 3561725 - 2⁶ = 3561661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71210 + ... + 71259.

It is an arithmetic number, because the mean of its divisors is an integer number (736095).

Almost surely, 2^3561725 is an apocalyptic number.

It is an amenable number.

3561725 is a deficient number, since it is larger than the sum of its proper divisors (854845).

3561725 is a wasteful number, since it uses less digits than its factorization.

3561725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142479 (or 142474 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 3561725 is about 1887.2532951356. The cubic root of 3561725 is about 152.7167928007.

The spelling of 3561725 in words is "three million, five hundred sixty-one thousand, seven hundred twenty-five".