51849527 has 2 divisors, whose sum is σ = 51849528. Its totient is φ = 51849526.

The previous prime is 51849509. The next prime is 51849533. The reversal of 51849527 is 72594815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51849527 - 2²⁴ = 35072311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51849547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25924763 + 25924764.

It is an arithmetic number, because the mean of its divisors is an integer number (25924764).

Almost surely, 2^51849527 is an apocalyptic number.

51849527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51849527 is an equidigital number, since it uses as much as digits as its factorization.

51849527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 51849527 is about 7200.6615668284. The cubic root of 51849527 is about 372.8907408309.

The spelling of 51849527 in words is "fifty-one million, eight hundred forty-nine thousand, five hundred twenty-seven".