745867511 has 2 divisors, whose sum is σ = 745867512. Its totient is φ = 745867510.

The previous prime is 745867459. The next prime is 745867523. The reversal of 745867511 is 115768547.

It is a strong prime.

It is an emirp because it is prime and its reverse (115768547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745867511 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745867541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372933755 + 372933756.

It is an arithmetic number, because the mean of its divisors is an integer number (372933756).

Almost surely, 2^745867511 is an apocalyptic number.

745867511 is a deficient number, since it is larger than the sum of its proper divisors (1).

745867511 is an equidigital number, since it uses as much as digits as its factorization.

745867511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 44.

The square root of 745867511 is about 27310.5750763326. The cubic root of 745867511 is about 906.8885041598. Note that the first 3 decimals are identical.

The spelling of 745867511 in words is "seven hundred forty-five million, eight hundred sixty-seven thousand, five hundred eleven".