101604251 has 8 divisors (see below), whose sum is σ = 116308224. Its totient is φ = 86947560.

The previous prime is 101604221. The next prime is 101604281. The reversal of 101604251 is 152406101.

It is an interprime number because it is at equal distance from previous prime (101604221) and next prime (101604281).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101604251 - 2¹⁴ = 101587867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101604221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 15918.

It is an arithmetic number, because the mean of its divisors is an integer number (14538528).

Almost surely, 2^101604251 is an apocalyptic number.

101604251 is a deficient number, since it is larger than the sum of its proper divisors (14703973).

101604251 is an equidigital number, since it uses as much as digits as its factorization.

101604251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23641.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 101604251 is about 10079.8934022141. The cubic root of 101604251 is about 466.6278185915.

The spelling of 101604251 in words is "one hundred one million, six hundred four thousand, two hundred fifty-one".