51541601 has 2 divisors, whose sum is σ = 51541602. Its totient is φ = 51541600.

The previous prime is 51541571. The next prime is 51541619. The reversal of 51541601 is 10614515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26790976 + 24750625 = 5176^2 + 4975^2 .

It is a cyclic number.

It is not a de Polignac number, because 51541601 - 2⁶ = 51541537 is a prime.

It is not a weakly prime, because it can be changed into another prime (51541691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25770800 + 25770801.

It is an arithmetic number, because the mean of its divisors is an integer number (25770801).

Almost surely, 2^51541601 is an apocalyptic number.

It is an amenable number.

51541601 is a deficient number, since it is larger than the sum of its proper divisors (1).

51541601 is an equidigital number, since it uses as much as digits as its factorization.

51541601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51541601 is about 7179.2479411147. The cubic root of 51541601 is about 372.1510953061.

The spelling of 51541601 in words is "fifty-one million, five hundred forty-one thousand, six hundred one".