36998537 has 4 divisors (see below), whose sum is σ = 37104900. Its totient is φ = 36892176.

The previous prime is 36998431. The next prime is 36998543. The reversal of 36998537 is 73589963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73589963 = 6917 ⋅10639.

It can be written as a sum of positive squares in 2 ways, for example, as 20830096 + 16168441 = 4564^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 36998537 - 2¹⁸ = 36736393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36998587) 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 3 ways as a sum of consecutive naturals, for example, 52658 + ... + 53355.

It is an arithmetic number, because the mean of its divisors is an integer number (9276225).

Almost surely, 2^36998537 is an apocalyptic number.

It is an amenable number.

36998537 is a deficient number, since it is larger than the sum of its proper divisors (106363).

36998537 is a wasteful number, since it uses less digits than its factorization.

36998537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106362.

The product of its digits is 1224720, while the sum is 50.

The square root of 36998537 is about 6082.6422712502. The cubic root of 36998537 is about 333.2177931783.

The spelling of 36998537 in words is "thirty-six million, nine hundred ninety-eight thousand, five hundred thirty-seven".