3725261 has 4 divisors (see below), whose sum is σ = 3944412. Its totient is φ = 3506112.

The previous prime is 3725257. The next prime is 3725279. The reversal of 3725261 is 1625273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 855625 = 1694^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3725261 - 2² = 3725257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3725261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109550 + ... + 109583.

It is an arithmetic number, because the mean of its divisors is an integer number (986103).

Almost surely, 2^3725261 is an apocalyptic number.

It is an amenable number.

3725261 is a deficient number, since it is larger than the sum of its proper divisors (219151).

3725261 is a wasteful number, since it uses less digits than its factorization.

3725261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219150.

The product of its digits is 2520, while the sum is 26.

The square root of 3725261 is about 1930.0935210502. The cubic root of 3725261 is about 155.0192275835.

The spelling of 3725261 in words is "three million, seven hundred twenty-five thousand, two hundred sixty-one".