981503037 has 12 divisors (see below), whose sum is σ = 1419464124. Its totient is φ = 653533440.

The previous prime is 981503023. The next prime is 981503063. The reversal of 981503037 is 730305189.

It can be written as a sum of positive squares in 2 ways, for example, as 94595076 + 886907961 = 9726^2 + 29781^2 .

It is not a de Polignac number, because 981503037 - 2⁷ = 981502909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 981502992 and 981503010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981503737) 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 11 ways as a sum of consecutive naturals, for example, 59028 + ... + 73805.

It is an arithmetic number, because the mean of its divisors is an integer number (118288677).

Almost surely, 2^981503037 is an apocalyptic number.

It is an amenable number.

981503037 is a deficient number, since it is larger than the sum of its proper divisors (437961087).

981503037 is a wasteful number, since it uses less digits than its factorization.

981503037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133660 (or 133657 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 981503037 is about 31328.9488652269. The cubic root of 981503037 is about 993.7959348412.

The spelling of 981503037 in words is "nine hundred eighty-one million, five hundred three thousand, thirty-seven".