254531131 has 2 divisors, whose sum is σ = 254531132. Its totient is φ = 254531130.

The previous prime is 254531129. The next prime is 254531153. The reversal of 254531131 is 131135452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254531131 - 2¹ = 254531129 is a prime.

It is a super-2 number, since 2×254531131² = 129572193296278322, which contains 22 as substring.

Together with 254531129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 254531096 and 254531105.

It is not a weakly prime, because it can be changed into another prime (251531131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127265565 + 127265566.

It is an arithmetic number, because the mean of its divisors is an integer number (127265566).

Almost surely, 2^254531131 is an apocalyptic number.

254531131 is a deficient number, since it is larger than the sum of its proper divisors (1).

254531131 is an equidigital number, since it uses as much as digits as its factorization.

254531131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 254531131 is about 15954.0318101726. The cubic root of 254531131 is about 633.7436718178.

Adding to 254531131 its reverse (131135452), we get a palindrome (385666583).

The spelling of 254531131 in words is "two hundred fifty-four million, five hundred thirty-one thousand, one hundred thirty-one".