52784401 has 2 divisors, whose sum is σ = 52784402. Its totient is φ = 52784400.

The previous prime is 52784399. The next prime is 52784411. The reversal of 52784401 is 10448725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 15023376 = 6145^2 + 3876^2 .

It is a cyclic number.

It is not a de Polignac number, because 52784401 - 2¹ = 52784399 is a prime.

Together with 52784399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52784411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26392200 + 26392201.

It is an arithmetic number, because the mean of its divisors is an integer number (26392201).

Almost surely, 2^52784401 is an apocalyptic number.

It is an amenable number.

52784401 is a deficient number, since it is larger than the sum of its proper divisors (1).

52784401 is an equidigital number, since it uses as much as digits as its factorization.

52784401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 52784401 is about 7265.2873996835. The cubic root of 52784401 is about 375.1185426712.

The spelling of 52784401 in words is "fifty-two million, seven hundred eighty-four thousand, four hundred one".