46646251 has 4 divisors (see below), whose sum is σ = 46883232. Its totient is φ = 46409272.

The previous prime is 46646221. The next prime is 46646263. The reversal of 46646251 is 15264664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46646251 - 2¹¹ = 46644203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46646221) 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, 118195 + ... + 118588.

It is an arithmetic number, because the mean of its divisors is an integer number (11720808).

Almost surely, 2^46646251 is an apocalyptic number.

46646251 is a deficient number, since it is larger than the sum of its proper divisors (236981).

46646251 is a wasteful number, since it uses less digits than its factorization.

46646251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236980.

The product of its digits is 34560, while the sum is 34.

The square root of 46646251 is about 6829.8060733816. The cubic root of 46646251 is about 359.9749236648.

The spelling of 46646251 in words is "forty-six million, six hundred forty-six thousand, two hundred fifty-one".