126283513 has 2 divisors, whose sum is σ = 126283514. Its totient is φ = 126283512.

The previous prime is 126283499. The next prime is 126283571. The reversal of 126283513 is 315382621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73822464 + 52461049 = 8592^2 + 7243^2 .

It is an emirp because it is prime and its reverse (315382621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126283513 - 2¹³ = 126275321 is a prime.

It is not a weakly prime, because it can be changed into another prime (126283583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63141756 + 63141757.

It is an arithmetic number, because the mean of its divisors is an integer number (63141757).

Almost surely, 2^126283513 is an apocalyptic number.

It is an amenable number.

126283513 is a deficient number, since it is larger than the sum of its proper divisors (1).

126283513 is an equidigital number, since it uses as much as digits as its factorization.

126283513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 126283513 is about 11237.5937370951. The cubic root of 126283513 is about 501.7055264112.

The spelling of 126283513 in words is "one hundred twenty-six million, two hundred eighty-three thousand, five hundred thirteen".