1361513 has 6 divisors (see below), whose sum is σ = 1446714. Its totient is φ = 1276896.

The previous prime is 1361497. The next prime is 1361533. The reversal of 1361513 is 3151631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 80089 = 1132^2 + 283^2 .

It is not a de Polignac number, because 1361513 - 2⁴ = 1361497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4670 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (241119).

2^1361513 is an apocalyptic number.

It is an amenable number.

1361513 is a deficient number, since it is larger than the sum of its proper divisors (85201).

1361513 is an frugal number, since it uses more digits than its factorization.

1361513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 300 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 1361513 is about 1166.8388920498. The cubic root of 1361513 is about 110.8342357073.

The spelling of 1361513 in words is "one million, three hundred sixty-one thousand, five hundred thirteen".