1613013247 has 2 divisors, whose sum is σ = 1613013248. Its totient is φ = 1613013246.

The previous prime is 1613013229. The next prime is 1613013293. The reversal of 1613013247 is 7423103161.

It is a weak prime.

It is an emirp because it is prime and its reverse (7423103161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1613013247 - 2²³ = 1604624639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613011247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806506623 + 806506624.

It is an arithmetic number, because the mean of its divisors is an integer number (806506624).

Almost surely, 2^1613013247 is an apocalyptic number.

1613013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613013247 is an equidigital number, since it uses as much as digits as its factorization.

1613013247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1613013247 is about 40162.3361745803. The cubic root of 1613013247 is about 1172.7694510321.

The spelling of 1613013247 in words is "one billion, six hundred thirteen million, thirteen thousand, two hundred forty-seven".