1373020601 has 2 divisors, whose sum is σ = 1373020602. Its totient is φ = 1373020600.

The previous prime is 1373020577. The next prime is 1373020603. The reversal of 1373020601 is 1060203731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204020601 + 169000000 = 34699^2 + 13000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373020601 is a prime.

Together with 1373020603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1373020603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686510300 + 686510301.

It is an arithmetic number, because the mean of its divisors is an integer number (686510301).

Almost surely, 2^1373020601 is an apocalyptic number.

It is an amenable number.

1373020601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373020601 is an equidigital number, since it uses as much as digits as its factorization.

1373020601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1373020601 is about 37054.2926123277. The cubic root of 1373020601 is about 1111.4561958245.

The spelling of 1373020601 in words is "one billion, three hundred seventy-three million, twenty thousand, six hundred one".