551153131 has 2 divisors, whose sum is σ = 551153132. Its totient is φ = 551153130.

The previous prime is 551153129. The next prime is 551153137. The reversal of 551153131 is 131351155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551153131 - 2¹ = 551153129 is a prime.

It is a super-2 number, since 2×551153131² = 607539547622206322, which contains 22 as substring.

Together with 551153129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 551153096 and 551153105.

It is not a weakly prime, because it can be changed into another prime (551153137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275576565 + 275576566.

It is an arithmetic number, because the mean of its divisors is an integer number (275576566).

Almost surely, 2^551153131 is an apocalyptic number.

551153131 is a deficient number, since it is larger than the sum of its proper divisors (1).

551153131 is an equidigital number, since it uses as much as digits as its factorization.

551153131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1125, while the sum is 25.

The square root of 551153131 is about 23476.6507619805. The cubic root of 551153131 is about 819.8934677188.

The spelling of 551153131 in words is "five hundred fifty-one million, one hundred fifty-three thousand, one hundred thirty-one".