46513891 has 4 divisors (see below), whose sum is σ = 46561000. Its totient is φ = 46466784.

The previous prime is 46513861. The next prime is 46513927. The reversal of 46513891 is 19831564.

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 46513891 - 2²⁵ = 12959459 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 46513891.

It is not an unprimeable number, because it can be changed into a prime (46513801) 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, 22041 + ... + 24058.

It is an arithmetic number, because the mean of its divisors is an integer number (11640250).

Almost surely, 2^46513891 is an apocalyptic number.

46513891 is a deficient number, since it is larger than the sum of its proper divisors (47109).

46513891 is a wasteful number, since it uses less digits than its factorization.

46513891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47108.

The product of its digits is 25920, while the sum is 37.

The square root of 46513891 is about 6820.1093099744. The cubic root of 46513891 is about 359.6341215859.

The spelling of 46513891 in words is "forty-six million, five hundred thirteen thousand, eight hundred ninety-one".