1373761 has 2 divisors, whose sum is σ = 1373762. Its totient is φ = 1373760.

The previous prime is 1373717. The next prime is 1373777. The reversal of 1373761 is 1673731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 65025 = 1144^2 + 255^2 .

It is an emirp because it is prime and its reverse (1673731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373761 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1373161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686880 + 686881.

It is an arithmetic number, because the mean of its divisors is an integer number (686881).

2^1373761 is an apocalyptic number.

It is an amenable number.

1373761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373761 is an equidigital number, since it uses as much as digits as its factorization.

1373761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 28.

The square root of 1373761 is about 1172.0755095129. The cubic root of 1373761 is about 111.1655943539.

The spelling of 1373761 in words is "one million, three hundred seventy-three thousand, seven hundred sixty-one".