38752531 has 4 divisors (see below), whose sum is σ = 38801952. Its totient is φ = 38703112.

The previous prime is 38752513. The next prime is 38752541. The reversal of 38752531 is 13525783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13525783 = 677 ⋅19979.

It is a cyclic number.

It is not a de Polignac number, because 38752531 - 2¹¹ = 38750483 is a prime.

It is a super-2 number, since 2×38752531² = 3003517317811922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38752541) 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, 23515 + ... + 25108.

It is an arithmetic number, because the mean of its divisors is an integer number (9700488).

Almost surely, 2^38752531 is an apocalyptic number.

38752531 is a deficient number, since it is larger than the sum of its proper divisors (49421).

38752531 is an equidigital number, since it uses as much as digits as its factorization.

38752531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49420.

The product of its digits is 25200, while the sum is 34.

The square root of 38752531 is about 6225.1530904870. The cubic root of 38752531 is about 338.4023399948.

The spelling of 38752531 in words is "thirty-eight million, seven hundred fifty-two thousand, five hundred thirty-one".