745527031 has 2 divisors, whose sum is σ = 745527032. Its totient is φ = 745527030.

The previous prime is 745527007. The next prime is 745527049. The reversal of 745527031 is 130725547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745527031 - 2¹⁵ = 745494263 is a prime.

It is a super-2 number, since 2×745527031² = 1111621107903349922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745527631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372763515 + 372763516.

It is an arithmetic number, because the mean of its divisors is an integer number (372763516).

Almost surely, 2^745527031 is an apocalyptic number.

745527031 is a deficient number, since it is larger than the sum of its proper divisors (1).

745527031 is an equidigital number, since it uses as much as digits as its factorization.

745527031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 745527031 is about 27304.3408819916. The cubic root of 745527031 is about 906.7504884087.

The spelling of 745527031 in words is "seven hundred forty-five million, five hundred twenty-seven thousand, thirty-one".