46851257 has 2 divisors, whose sum is σ = 46851258. Its totient is φ = 46851256.

The previous prime is 46851247. The next prime is 46851263. The reversal of 46851257 is 75215864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40819321 + 6031936 = 6389^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 46851257 - 2⁶ = 46851193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46851257.

It is not a weakly prime, because it can be changed into another prime (46851227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23425628 + 23425629.

It is an arithmetic number, because the mean of its divisors is an integer number (23425629).

Almost surely, 2^46851257 is an apocalyptic number.

It is an amenable number.

46851257 is a deficient number, since it is larger than the sum of its proper divisors (1).

46851257 is an equidigital number, since it uses as much as digits as its factorization.

46851257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 38.

The square root of 46851257 is about 6844.7978056331. The cubic root of 46851257 is about 360.5015052617.

The spelling of 46851257 in words is "forty-six million, eight hundred fifty-one thousand, two hundred fifty-seven".