53142361 has 2 divisors, whose sum is σ = 53142362. Its totient is φ = 53142360.

The previous prime is 53142359. The next prime is 53142371. The reversal of 53142361 is 16324135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 23232400 = 5469^2 + 4820^2 .

It is a cyclic number.

It is not a de Polignac number, because 53142361 - 2¹ = 53142359 is a prime.

It is a super-2 number, since 2×53142361² = 5648221065308642, which contains 22 as substring.

Together with 53142359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53142301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571180 + 26571181.

It is an arithmetic number, because the mean of its divisors is an integer number (26571181).

Almost surely, 2^53142361 is an apocalyptic number.

It is an amenable number.

53142361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53142361 is an equidigital number, since it uses as much as digits as its factorization.

53142361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 53142361 is about 7289.8807260476. The cubic root of 53142361 is about 375.9645946178.

Adding to 53142361 its reverse (16324135), we get a palindrome (69466496).

The spelling of 53142361 in words is "fifty-three million, one hundred forty-two thousand, three hundred sixty-one".