745925057 has 2 divisors, whose sum is σ = 745925058. Its totient is φ = 745925056.

The previous prime is 745925017. The next prime is 745925083. The reversal of 745925057 is 750529547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713103616 + 32821441 = 26704^2 + 5729^2 .

It is a cyclic number.

It is not a de Polignac number, because 745925057 - 2⁸ = 745924801 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 745924999 and 745925017.

It is not a weakly prime, because it can be changed into another prime (745925017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372962528 + 372962529.

It is an arithmetic number, because the mean of its divisors is an integer number (372962529).

Almost surely, 2^745925057 is an apocalyptic number.

It is an amenable number.

745925057 is a deficient number, since it is larger than the sum of its proper divisors (1).

745925057 is an equidigital number, since it uses as much as digits as its factorization.

745925057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 44.

The square root of 745925057 is about 27311.6286039482. The cubic root of 745925057 is about 906.9118266503.

The spelling of 745925057 in words is "seven hundred forty-five million, nine hundred twenty-five thousand, fifty-seven".