52451801 has 2 divisors, whose sum is σ = 52451802. Its totient is φ = 52451800.

The previous prime is 52451797. The next prime is 52451827. The reversal of 52451801 is 10815425.

It is an a-pointer prime, because the next prime (52451827) can be obtained adding 52451801 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 3115225 = 7024^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 52451801 - 2² = 52451797 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52451831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225900 + 26225901.

It is an arithmetic number, because the mean of its divisors is an integer number (26225901).

Almost surely, 2^52451801 is an apocalyptic number.

It is an amenable number.

52451801 is a deficient number, since it is larger than the sum of its proper divisors (1).

52451801 is an equidigital number, since it uses as much as digits as its factorization.

52451801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 52451801 is about 7242.3615623635. The cubic root of 52451801 is about 374.3289950186.

It can be divided in two parts, 524 and 51801, that added together give a palindrome (52325).

The spelling of 52451801 in words is "fifty-two million, four hundred fifty-one thousand, eight hundred one".