41530725 has 30 divisors (see below), whose sum is σ = 76933010. Its totient is φ = 22148640.

The previous prime is 41530679. The next prime is 41530757. The reversal of 41530725 is 52703514.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 352836 + 41177889 = 594^2 + 6417^2 .

It is not a de Polignac number, because 41530725 - 2⁶ = 41530661 is a prime.

It is a super-2 number, since 2×41530725² = 3449602238051250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8230 + ... + 12279.

Almost surely, 2^41530725 is an apocalyptic number.

41530725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41530725 is a deficient number, since it is larger than the sum of its proper divisors (35402285).

41530725 is a wasteful number, since it uses less digits than its factorization.

41530725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20531 (or 20517 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 41530725 is about 6444.4336446270. The cubic root of 41530725 is about 346.3031996524.

The spelling of 41530725 in words is "forty-one million, five hundred thirty thousand, seven hundred twenty-five".