749032525 has 18 divisors (see below), whose sum is σ = 934651550. Its totient is φ = 595469760.

The previous prime is 749032519. The next prime is 749032549. The reversal of 749032525 is 525230947.

It can be written as a sum of positive squares in 9 ways, for example, as 14243076 + 734789449 = 3774^2 + 27107^2 .

It is a de Polignac number, because none of the positive numbers 2^k-749032525 is a prime.

It is a super-2 number, since 2×749032525² = 1122099447015751250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2146051 + ... + 2146399.

Almost surely, 2^749032525 is an apocalyptic number.

It is an amenable number.

749032525 is a deficient number, since it is larger than the sum of its proper divisors (185619025).

749032525 is an equidigital number, since it uses as much as digits as its factorization.

749032525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 749032525 is about 27368.4585791747. The cubic root of 749032525 is about 908.1694574791.

The spelling of 749032525 in words is "seven hundred forty-nine million, thirty-two thousand, five hundred twenty-five".