1513212413 has 2 divisors, whose sum is σ = 1513212414. Its totient is φ = 1513212412.

The previous prime is 1513212403. The next prime is 1513212439. The reversal of 1513212413 is 3142123151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1490191609 + 23020804 = 38603^2 + 4798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513212413 - 2¹⁸ = 1512950269 is a prime.

It is a super-4 number, since 4×1513212413⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513212403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756606206 + 756606207.

It is an arithmetic number, because the mean of its divisors is an integer number (756606207).

Almost surely, 2^1513212413 is an apocalyptic number.

It is an amenable number.

1513212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513212413 is an equidigital number, since it uses as much as digits as its factorization.

1513212413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 1513212413 is about 38900.0310154118. The cubic root of 1513212413 is about 1148.0654084732.

Adding to 1513212413 its reverse (3142123151), we get a palindrome (4655335564).

The spelling of 1513212413 in words is "one billion, five hundred thirteen million, two hundred twelve thousand, four hundred thirteen".