742412513 has 2 divisors, whose sum is σ = 742412514. Its totient is φ = 742412512.

The previous prime is 742412509. The next prime is 742412527. The reversal of 742412513 is 315214247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702886144 + 39526369 = 26512^2 + 6287^2 .

It is an emirp because it is prime and its reverse (315214247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742412513 - 2² = 742412509 is a prime.

It is not a weakly prime, because it can be changed into another prime (742412563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371206256 + 371206257.

It is an arithmetic number, because the mean of its divisors is an integer number (371206257).

Almost surely, 2^742412513 is an apocalyptic number.

It is an amenable number.

742412513 is a deficient number, since it is larger than the sum of its proper divisors (1).

742412513 is an equidigital number, since it uses as much as digits as its factorization.

742412513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 742412513 is about 27247.2478059712. The cubic root of 742412513 is about 905.4860439738.

The spelling of 742412513 in words is "seven hundred forty-two million, four hundred twelve thousand, five hundred thirteen".