1373501 has 2 divisors, whose sum is σ = 1373502. Its totient is φ = 1373500.

The previous prime is 1373497. The next prime is 1373521. The reversal of 1373501 is 1053731.

It is a happy number.

It is an a-pointer prime, because the next prime (1373521) can be obtained adding 1373501 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267876 + 105625 = 1126^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373501 - 2² = 1373497 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373521) 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 as a sum of consecutive naturals, namely, 686750 + 686751.

It is an arithmetic number, because the mean of its divisors is an integer number (686751).

2^1373501 is an apocalyptic number.

It is an amenable number.

1373501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373501 is an equidigital number, since it uses as much as digits as its factorization.

1373501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1373501 is about 1171.9645899088. The cubic root of 1373501 is about 111.1585807909.

The spelling of 1373501 in words is "one million, three hundred seventy-three thousand, five hundred one".