538645085 has 32 divisors (see below), whose sum is σ = 764878464. Its totient is φ = 359680000.

The previous prime is 538645007. The next prime is 538645087. The reversal of 538645085 is 580546835.

It is a de Polignac number, because none of the positive numbers 2^k-538645085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538645087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31310 + ... + 45360.

It is an arithmetic number, because the mean of its divisors is an integer number (23902452).

Almost surely, 2^538645085 is an apocalyptic number.

538645085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

538645085 is a deficient number, since it is larger than the sum of its proper divisors (226233379).

538645085 is a wasteful number, since it uses less digits than its factorization.

538645085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 538645085 is about 23208.7286381654. The cubic root of 538645085 is about 813.6436395274.

The spelling of 538645085 in words is "five hundred thirty-eight million, six hundred forty-five thousand, eighty-five".