745503125 has 24 divisors (see below), whose sum is σ = 986702472. Its totient is φ = 561280000.

The previous prime is 745503107. The next prime is 745503127. The reversal of 745503125 is 521305547.

It can be written as a sum of positive squares in 12 ways, for example, as 744689521 + 813604 = 27289^2 + 902^2 .

It is not a de Polignac number, because 745503125 - 2⁶ = 745503061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745503091 and 745503100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745503127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46109 + ... + 60141.

It is an arithmetic number, because the mean of its divisors is an integer number (41112603).

Almost surely, 2^745503125 is an apocalyptic number.

It is an amenable number.

745503125 is a deficient number, since it is larger than the sum of its proper divisors (241199347).

745503125 is an equidigital number, since it uses as much as digits as its factorization.

745503125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 745503125 is about 27303.9031092626. The cubic root of 745503125 is about 906.7407963797.

The spelling of 745503125 in words is "seven hundred forty-five million, five hundred three thousand, one hundred twenty-five".