740162513 has 2 divisors, whose sum is σ = 740162514. Its totient is φ = 740162512.

The previous prime is 740162509. The next prime is 740162531. The reversal of 740162513 is 315261047.

Together with next prime (740162531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415874449 + 324288064 = 20393^2 + 18008^2 .

It is a cyclic number.

It is not a de Polignac number, because 740162513 - 2² = 740162509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740162573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370081256 + 370081257.

It is an arithmetic number, because the mean of its divisors is an integer number (370081257).

Almost surely, 2^740162513 is an apocalyptic number.

It is an amenable number.

740162513 is a deficient number, since it is larger than the sum of its proper divisors (1).

740162513 is an equidigital number, since it uses as much as digits as its factorization.

740162513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 740162513 is about 27205.9279018379. The cubic root of 740162513 is about 904.5703781767.

The spelling of 740162513 in words is "seven hundred forty million, one hundred sixty-two thousand, five hundred thirteen".