46531651 has 4 divisors (see below), whose sum is σ = 48032704. Its totient is φ = 45030600.

The previous prime is 46531643. The next prime is 46531663. The reversal of 46531651 is 15613564.

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

It is not a de Polignac number, because 46531651 - 2³ = 46531643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1501021 = 46531651 / (4 + 6 + 5 + 3 + 1 + 6 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46534651) 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, 750480 + ... + 750541.

It is an arithmetic number, because the mean of its divisors is an integer number (12008176).

Almost surely, 2^46531651 is an apocalyptic number.

46531651 is a deficient number, since it is larger than the sum of its proper divisors (1501053).

46531651 is a wasteful number, since it uses less digits than its factorization.

46531651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501052.

The product of its digits is 10800, while the sum is 31.

The square root of 46531651 is about 6821.4112176294. The cubic root of 46531651 is about 359.6798877655.

The spelling of 46531651 in words is "forty-six million, five hundred thirty-one thousand, six hundred fifty-one".