46540531 has 4 divisors (see below), whose sum is σ = 46570864. Its totient is φ = 46510200.

The previous prime is 46540513. The next prime is 46540541. The reversal of 46540531 is 13504564.

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 46540531 - 2⁹ = 46540019 is a prime.

It is a super-2 number, since 2×46540531² = 4332042051523922, 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 46540531.

It is not an unprimeable number, because it can be changed into a prime (46540541) 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, 12735 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (11642716).

Almost surely, 2^46540531 is an apocalyptic number.

46540531 is a deficient number, since it is larger than the sum of its proper divisors (30333).

46540531 is a wasteful number, since it uses less digits than its factorization.

46540531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30332.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 46540531 is about 6822.0620782869. The cubic root of 46540531 is about 359.7027664884.

The spelling of 46540531 in words is "forty-six million, five hundred forty thousand, five hundred thirty-one".