46897131 has 4 divisors (see below), whose sum is σ = 62529512. Its totient is φ = 31264752.

The previous prime is 46897129. The next prime is 46897157. The reversal of 46897131 is 13179864.

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

It is not a de Polignac number, because 46897131 - 2¹ = 46897129 is a prime.

It is a super-2 number, since 2×46897131² = 4398681792062322, which contains 22 as substring.

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 46897131.

It is not an unprimeable number, because it can be changed into a prime (46897181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7816186 + ... + 7816191.

It is an arithmetic number, because the mean of its divisors is an integer number (15632378).

Almost surely, 2^46897131 is an apocalyptic number.

46897131 is a deficient number, since it is larger than the sum of its proper divisors (15632381).

46897131 is a wasteful number, since it uses less digits than its factorization.

46897131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632380.

The product of its digits is 36288, while the sum is 39.

The square root of 46897131 is about 6848.1479978166. The cubic root of 46897131 is about 360.6191275162.

The spelling of 46897131 in words is "forty-six million, eight hundred ninety-seven thousand, one hundred thirty-one".