40725503 has 16 divisors (see below), whose sum is σ = 50351616. Its totient is φ = 32076000.

The previous prime is 40725499. The next prime is 40725511. The reversal of 40725503 is 30552704.

It is a cyclic number.

It is not a de Polignac number, because 40725503 - 2² = 40725499 is a prime.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21950 + ... + 23732.

It is an arithmetic number, because the mean of its divisors is an integer number (3146976).

Almost surely, 2^40725503 is an apocalyptic number.

40725503 is a deficient number, since it is larger than the sum of its proper divisors (9626113).

40725503 is a wasteful number, since it uses less digits than its factorization.

40725503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 40725503 is about 6381.6536258246. The cubic root of 40725503 is about 344.0504675145.

The spelling of 40725503 in words is "forty million, seven hundred twenty-five thousand, five hundred three".