46642537 has 2 divisors, whose sum is σ = 46642538. Its totient is φ = 46642536.

The previous prime is 46642529. The next prime is 46642553. The reversal of 46642537 is 73524664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24561936 + 22080601 = 4956^2 + 4699^2 .

It is a cyclic number.

It is not a de Polignac number, because 46642537 - 2³ = 46642529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46642496 and 46642505.

It is not a weakly prime, because it can be changed into another prime (46642837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23321268 + 23321269.

It is an arithmetic number, because the mean of its divisors is an integer number (23321269).

Almost surely, 2^46642537 is an apocalyptic number.

It is an amenable number.

46642537 is a deficient number, since it is larger than the sum of its proper divisors (1).

46642537 is an equidigital number, since it uses as much as digits as its factorization.

46642537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 46642537 is about 6829.5341715230. The cubic root of 46642537 is about 359.9653696112.

The spelling of 46642537 in words is "forty-six million, six hundred forty-two thousand, five hundred thirty-seven".