51452959 has 2 divisors, whose sum is σ = 51452960. Its totient is φ = 51452958.

The previous prime is 51452941. The next prime is 51452981. The reversal of 51452959 is 95925415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51452959 - 2¹⁹ = 50928671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51452059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25726479 + 25726480.

It is an arithmetic number, because the mean of its divisors is an integer number (25726480).

Almost surely, 2^51452959 is an apocalyptic number.

51452959 is a deficient number, since it is larger than the sum of its proper divisors (1).

51452959 is an equidigital number, since it uses as much as digits as its factorization.

51452959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 40.

The square root of 51452959 is about 7173.0717966573. The cubic root of 51452959 is about 371.9376292512.

The spelling of 51452959 in words is "fifty-one million, four hundred fifty-two thousand, nine hundred fifty-nine".