51526633 has 2 divisors, whose sum is σ = 51526634. Its totient is φ = 51526632.

The previous prime is 51526621. The next prime is 51526663. The reversal of 51526633 is 33662515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 1570009 = 7068^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 51526633 - 2⁹ = 51526121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51526595 and 51526604.

It is not a weakly prime, because it can be changed into another prime (51526663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25763316 + 25763317.

It is an arithmetic number, because the mean of its divisors is an integer number (25763317).

Almost surely, 2^51526633 is an apocalyptic number.

It is an amenable number.

51526633 is a deficient number, since it is larger than the sum of its proper divisors (1).

51526633 is an equidigital number, since it uses as much as digits as its factorization.

51526633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 51526633 is about 7178.2054163976. The cubic root of 51526633 is about 372.1150668242.

The spelling of 51526633 in words is "fifty-one million, five hundred twenty-six thousand, six hundred thirty-three".