1020413 has 2 divisors, whose sum is σ = 1020414. Its totient is φ = 1020412.

The previous prime is 1020407. The next prime is 1020419. The reversal of 1020413 is 3140201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1020407) and next prime (1020419).

It can be written as a sum of positive squares in only one way, i.e., 582169 + 438244 = 763^2 + 662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020413 - 2⁸ = 1020157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020394 and 1020403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510206 + 510207.

It is an arithmetic number, because the mean of its divisors is an integer number (510207).

2^1020413 is an apocalyptic number.

It is an amenable number.

1020413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020413 is an equidigital number, since it uses as much as digits as its factorization.

1020413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020413 is about 1010.1549386109. The cubic root of 1020413 is about 100.6758552397.

Adding to 1020413 its reverse (3140201), we get a palindrome (4160614).

The spelling of 1020413 in words is "one million, twenty thousand, four hundred thirteen".