1375537003 has 4 divisors (see below), whose sum is σ = 1409086728. Its totient is φ = 1341987280.

The previous prime is 1375536989. The next prime is 1375537117. The reversal of 1375537003 is 3007355731.

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: 3007355731 = 23 ⋅130754597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375537003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1375537003.

It is not an unprimeable number, because it can be changed into a prime (1375537903) 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, 16774801 + ... + 16774882.

It is an arithmetic number, because the mean of its divisors is an integer number (352271682).

Almost surely, 2^1375537003 is an apocalyptic number.

1375537003 is a deficient number, since it is larger than the sum of its proper divisors (33549725).

1375537003 is an equidigital number, since it uses as much as digits as its factorization.

1375537003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33549724.

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 1375537003 is about 37088.2326756075. The cubic root of 1375537003 is about 1112.1347881379.

The spelling of 1375537003 in words is "one billion, three hundred seventy-five million, five hundred thirty-seven thousand, three".