38473513 has 4 divisors (see below), whose sum is σ = 41433028. Its totient is φ = 35514000.

The previous prime is 38473489. The next prime is 38473577. The reversal of 38473513 is 31537483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31537483 = 3061 ⋅10303.

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 17707264 = 4557^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 38473513 - 2¹³ = 38465321 is a prime.

It is a super-2 number, since 2×38473513² = 2960422405122338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38473313) 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, 1479738 + ... + 1479763.

It is an arithmetic number, because the mean of its divisors is an integer number (10358257).

Almost surely, 2^38473513 is an apocalyptic number.

It is an amenable number.

38473513 is a deficient number, since it is larger than the sum of its proper divisors (2959515).

38473513 is a wasteful number, since it uses less digits than its factorization.

38473513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959514.

The product of its digits is 30240, while the sum is 34.

The square root of 38473513 is about 6202.7020724842. The cubic root of 38473513 is about 337.5882179998.

The spelling of 38473513 in words is "thirty-eight million, four hundred seventy-three thousand, five hundred thirteen".