38513297 has 4 divisors (see below), whose sum is σ = 38866740. Its totient is φ = 38159856.

The previous prime is 38513291. The next prime is 38513327. The reversal of 38513297 is 79231583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79231583 = 859 ⋅92237.

It can be written as a sum of positive squares in 2 ways, for example, as 23775376 + 14737921 = 4876^2 + 3839^2 .

It is a cyclic number.

It is not a de Polignac number, because 38513297 - 2¹⁰ = 38512273 is a prime.

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 38513297.

It is not an unprimeable number, because it can be changed into a prime (38513291) 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, 176558 + ... + 176775.

It is an arithmetic number, because the mean of its divisors is an integer number (9716685).

Almost surely, 2^38513297 is an apocalyptic number.

It is an amenable number.

38513297 is a deficient number, since it is larger than the sum of its proper divisors (353443).

38513297 is a wasteful number, since it uses less digits than its factorization.

38513297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353442.

The product of its digits is 45360, while the sum is 38.

The square root of 38513297 is about 6205.9082332887. The cubic root of 38513297 is about 337.7045403032.

The spelling of 38513297 in words is "thirty-eight million, five hundred thirteen thousand, two hundred ninety-seven".