38523497 has 4 divisors (see below), whose sum is σ = 38736516. Its totient is φ = 38310480.

The previous prime is 38523493. The next prime is 38523509. The reversal of 38523497 is 79432583.

38523497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12503296 + 26020201 = 3536^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 38523497 - 2² = 38523493 is a prime.

It is a super-2 number, since 2×38523497² = 2968119642218018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38523491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106238 + ... + 106599.

It is an arithmetic number, because the mean of its divisors is an integer number (9684129).

Almost surely, 2^38523497 is an apocalyptic number.

It is an amenable number.

38523497 is a deficient number, since it is larger than the sum of its proper divisors (213019).

38523497 is a wasteful number, since it uses less digits than its factorization.

38523497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213018.

The product of its digits is 181440, while the sum is 41.

The square root of 38523497 is about 6206.7299764046. The cubic root of 38523497 is about 337.7343506331.

The spelling of 38523497 in words is "thirty-eight million, five hundred twenty-three thousand, four hundred ninety-seven".