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3750561 = 323311259

3750561 has 12 divisors (see below), whose sum is σ = 5438160. Its totient is φ = 2490840.

The previous prime is 3750559. The next prime is 3750563. The reversal of 3750561 is 1650573.

3750561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3750559) and next prime (3750563).

It is not a de Polignac number, because 3750561 - 21 = 3750559 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3750563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2350 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (453180).

Almost surely, 23750561 is an apocalyptic number.

It is an amenable number.

3750561 is a deficient number, since it is larger than the sum of its proper divisors (1687599).

3750561 is a wasteful number, since it uses less digits than its factorization.

3750561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 3750561 is about 1936.6365172639. The cubic root of 3750561 is about 155.3693722778.

The spelling of 3750561 in words is "three million, seven hundred fifty thousand, five hundred sixty-one".

Divisors: 1 3 9 331 993 1259 2979 3777 11331 416729 1250187 3750561