552137191 has 2 divisors, whose sum is σ = 552137192. Its totient is φ = 552137190.

The previous prime is 552137171. The next prime is 552137269. The reversal of 552137191 is 191731255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552137191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552137161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276068595 + 276068596.

It is an arithmetic number, because the mean of its divisors is an integer number (276068596).

Almost surely, 2^552137191 is an apocalyptic number.

552137191 is a deficient number, since it is larger than the sum of its proper divisors (1).

552137191 is an equidigital number, since it uses as much as digits as its factorization.

552137191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 34.

The square root of 552137191 is about 23497.5996859254. The cubic root of 552137191 is about 820.3811389986.

The spelling of 552137191 in words is "five hundred fifty-two million, one hundred thirty-seven thousand, one hundred ninety-one".