53204251 has 2 divisors, whose sum is σ = 53204252. Its totient is φ = 53204250.

The previous prime is 53204197. The next prime is 53204273. The reversal of 53204251 is 15240235.

It is an a-pointer prime, because the next prime (53204273) can be obtained adding 53204251 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53204251 - 2¹¹ = 53202203 is a prime.

It is equal to p_3181522 and since 53204251 and 3181522 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53204651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602125 + 26602126.

It is an arithmetic number, because the mean of its divisors is an integer number (26602126).

Almost surely, 2^53204251 is an apocalyptic number.

53204251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53204251 is an equidigital number, since it uses as much as digits as its factorization.

53204251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53204251 is about 7294.1244162682. The cubic root of 53204251 is about 376.1104884101.

Adding to 53204251 its reverse (15240235), we get a palindrome (68444486).

It can be divided in two parts, 53 and 204251, that added together give a square (204304 = 452²).

The spelling of 53204251 in words is "fifty-three million, two hundred four thousand, two hundred fifty-one".