1373087503 has 2 divisors, whose sum is σ = 1373087504. Its totient is φ = 1373087502.

The previous prime is 1373087479. The next prime is 1373087533. The reversal of 1373087503 is 3057803731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373087503 - 2²¹ = 1370990351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373087533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686543751 + 686543752.

It is an arithmetic number, because the mean of its divisors is an integer number (686543752).

Almost surely, 2^1373087503 is an apocalyptic number.

1373087503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373087503 is an equidigital number, since it uses as much as digits as its factorization.

1373087503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1373087503 is about 37055.1953577363. The cubic root of 1373087503 is about 1111.4742478563.

The spelling of 1373087503 in words is "one billion, three hundred seventy-three million, eighty-seven thousand, five hundred three".