527038381 has 4 divisors (see below), whose sum is σ = 529089372. Its totient is φ = 524987392.

The previous prime is 527038367. The next prime is 527038411. The reversal of 527038381 is 183830725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238208356 + 288830025 = 15434^2 + 16995^2 .

It is a cyclic number.

It is not a de Polignac number, because 527038381 - 2¹⁵ = 527005613 is a prime.

It is a super-2 number, since 2×527038381² = 555538910094202322, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 527038381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527038081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025110 + ... + 1025623.

It is an arithmetic number, because the mean of its divisors is an integer number (132272343).

Almost surely, 2^527038381 is an apocalyptic number.

It is an amenable number.

527038381 is a deficient number, since it is larger than the sum of its proper divisors (2050991).

527038381 is a wasteful number, since it uses less digits than its factorization.

527038381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050990.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 527038381 is about 22957.3165025880. The cubic root of 527038381 is about 807.7570325611.

The spelling of 527038381 in words is "five hundred twenty-seven million, thirty-eight thousand, three hundred eighty-one".