53202131 has 2 divisors, whose sum is σ = 53202132. Its totient is φ = 53202130.

The previous prime is 53202101. The next prime is 53202139. The reversal of 53202131 is 13120235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53202131 - 2⁶ = 53202067 is a prime.

It is a super-2 number, since 2×53202131² = 5660933485882322, which contains 22 as substring.

It is equal to p_3181400 and since 53202131 and 3181400 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 (53202139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26601065 + 26601066.

It is an arithmetic number, because the mean of its divisors is an integer number (26601066).

Almost surely, 2^53202131 is an apocalyptic number.

53202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

53202131 is an equidigital number, since it uses as much as digits as its factorization.

53202131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53202131 is about 7293.9790923748. The cubic root of 53202131 is about 376.1054927890.

Adding to 53202131 its reverse (13120235), we get a palindrome (66322366).

The spelling of 53202131 in words is "fifty-three million, two hundred two thousand, one hundred thirty-one".