1370255213 has 2 divisors, whose sum is σ = 1370255214. Its totient is φ = 1370255212.

The previous prime is 1370255179. The next prime is 1370255321. The reversal of 1370255213 is 3125520731.

Together with next prime (1370255321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040578564 + 329676649 = 32258^2 + 18157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370255213 - 2²² = 1366060909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370275213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685127606 + 685127607.

It is an arithmetic number, because the mean of its divisors is an integer number (685127607).

Almost surely, 2^1370255213 is an apocalyptic number.

It is an amenable number.

1370255213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370255213 is an equidigital number, since it uses as much as digits as its factorization.

1370255213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1370255213 is about 37016.9584514990. The cubic root of 1370255213 is about 1110.7095031081.

Adding to 1370255213 its reverse (3125520731), we get a palindrome (4495775944).

The spelling of 1370255213 in words is "one billion, three hundred seventy million, two hundred fifty-five thousand, two hundred thirteen".