2037561 has 8 divisors (see below), whose sum is σ = 2731200. Its totient is φ = 1351152.

The previous prime is 2037533. The next prime is 2037611. The reversal of 2037561 is 1657302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2037561 - 2¹¹ = 2035513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2032561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (341400).

2^2037561 is an apocalyptic number.

It is an amenable number.

2037561 is a deficient number, since it is larger than the sum of its proper divisors (693639).

2037561 is a wasteful number, since it uses less digits than its factorization.

2037561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2037561 is about 1427.4316095701. The cubic root of 2037561 is about 126.7759498549.

The spelling of 2037561 in words is "two million, thirty-seven thousand, five hundred sixty-one".