38125257 has 16 divisors (see below), whose sum is σ = 52968960. Its totient is φ = 24364800.

The previous prime is 38125249. The next prime is 38125261. The reversal of 38125257 is 75252183.

It is not a de Polignac number, because 38125257 - 2³ = 38125249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38125247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8257 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (3310560).

Almost surely, 2^38125257 is an apocalyptic number.

It is an amenable number.

38125257 is a deficient number, since it is larger than the sum of its proper divisors (14843703).

38125257 is a wasteful number, since it uses less digits than its factorization.

38125257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904.

The product of its digits is 16800, while the sum is 33.

The square root of 38125257 is about 6174.5653288308. The cubic root of 38125257 is about 336.5665311230.

The spelling of 38125257 in words is "thirty-eight million, one hundred twenty-five thousand, two hundred fifty-seven".