51532337 has 2 divisors, whose sum is σ = 51532338. Its totient is φ = 51532336.

The previous prime is 51532331. The next prime is 51532339. The reversal of 51532337 is 73323515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 8708401 = 6544^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 51532337 - 2⁸ = 51532081 is a prime.

Together with 51532339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51532331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25766168 + 25766169.

It is an arithmetic number, because the mean of its divisors is an integer number (25766169).

Almost surely, 2^51532337 is an apocalyptic number.

It is an amenable number.

51532337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51532337 is an equidigital number, since it uses as much as digits as its factorization.

51532337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 29.

The square root of 51532337 is about 7178.6027191926. The cubic root of 51532337 is about 372.1287973677.

The spelling of 51532337 in words is "fifty-one million, five hundred thirty-two thousand, three hundred thirty-seven".