37282561 has 4 divisors (see below), whose sum is σ = 37488724. Its totient is φ = 37076400.

The previous prime is 37282559. The next prime is 37282573. The reversal of 37282561 is 16528273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16528273 = 911 ⋅18143.

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 21529600 = 3969^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 37282561 - 2¹ = 37282559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37282061) 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, 102810 + ... + 103171.

It is an arithmetic number, because the mean of its divisors is an integer number (9372181).

Almost surely, 2^37282561 is an apocalyptic number.

It is an amenable number.

37282561 is a deficient number, since it is larger than the sum of its proper divisors (206163).

37282561 is a wasteful number, since it uses less digits than its factorization.

37282561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206162.

The product of its digits is 20160, while the sum is 34.

The square root of 37282561 is about 6105.9447262483. The cubic root of 37282561 is about 334.0682835757.

The spelling of 37282561 in words is "thirty-seven million, two hundred eighty-two thousand, five hundred sixty-one".