38642025 has 12 divisors (see below), whose sum is σ = 63888272. Its totient is φ = 20609040.

The previous prime is 38642017. The next prime is 38642033. The reversal of 38642025 is 52024683.

It is an interprime number because it is at equal distance from previous prime (38642017) and next prime (38642033).

It is not a de Polignac number, because 38642025 - 2³ = 38642017 is a prime.

It is a super-2 number, since 2×38642025² = 2986412192201250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38641983 and 38642001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257539 + ... + 257688.

Almost surely, 2^38642025 is an apocalyptic number.

It is an amenable number.

38642025 is a deficient number, since it is larger than the sum of its proper divisors (25246247).

38642025 is a wasteful number, since it uses less digits than its factorization.

38642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515240 (or 515235 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 38642025 is about 6216.2709883016. The cubic root of 38642025 is about 338.0803731464.

The spelling of 38642025 in words is "thirty-eight million, six hundred forty-two thousand, twenty-five".