46521257 has 4 divisors (see below), whose sum is σ = 46790340. Its totient is φ = 46252176.

The previous prime is 46521239. The next prime is 46521361. The reversal of 46521257 is 75212564.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17673616 + 28847641 = 4204^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 46521257 - 2⁶ = 46521193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46521217) 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, 134282 + ... + 134627.

It is an arithmetic number, because the mean of its divisors is an integer number (11697585).

Almost surely, 2^46521257 is an apocalyptic number.

It is an amenable number.

46521257 is a deficient number, since it is larger than the sum of its proper divisors (269083).

46521257 is a wasteful number, since it uses less digits than its factorization.

46521257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269082.

The product of its digits is 16800, while the sum is 32.

The square root of 46521257 is about 6820.6493092667. The cubic root of 46521257 is about 359.6531046256.

The spelling of 46521257 in words is "forty-six million, five hundred twenty-one thousand, two hundred fifty-seven".