745508051 has 2 divisors, whose sum is σ = 745508052. Its totient is φ = 745508050.

The previous prime is 745508009. The next prime is 745508077. The reversal of 745508051 is 150805547.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745508051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (745508081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372754025 + 372754026.

It is an arithmetic number, because the mean of its divisors is an integer number (372754026).

Almost surely, 2^745508051 is an apocalyptic number.

745508051 is a deficient number, since it is larger than the sum of its proper divisors (1).

745508051 is an equidigital number, since it uses as much as digits as its factorization.

745508051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 745508051 is about 27303.9933159968. The cubic root of 745508051 is about 906.7427935076.

The spelling of 745508051 in words is "seven hundred forty-five million, five hundred eight thousand, fifty-one".