52782451 has 2 divisors, whose sum is σ = 52782452. Its totient is φ = 52782450.

The previous prime is 52782449. The next prime is 52782469. The reversal of 52782451 is 15428725.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52782451 - 2¹ = 52782449 is a prime.

Together with 52782449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52782421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391225 + 26391226.

It is an arithmetic number, because the mean of its divisors is an integer number (26391226).

Almost surely, 2^52782451 is an apocalyptic number.

52782451 is a deficient number, since it is larger than the sum of its proper divisors (1).

52782451 is an equidigital number, since it uses as much as digits as its factorization.

52782451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 52782451 is about 7265.1531986600. The cubic root of 52782451 is about 375.1139233130.

The spelling of 52782451 in words is "fifty-two million, seven hundred eighty-two thousand, four hundred fifty-one".