249084131 has 2 divisors, whose sum is σ = 249084132. Its totient is φ = 249084130.

The previous prime is 249084113. The next prime is 249084133. The reversal of 249084131 is 131480942.

It is a happy number.

Together with previous prime (249084113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249084131 - 2²⁶ = 181975267 is a prime.

It is a super-2 number, since 2×249084131² = 124085808632050322, which contains 22 as substring.

Together with 249084133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (249084133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124542065 + 124542066.

It is an arithmetic number, because the mean of its divisors is an integer number (124542066).

Almost surely, 2^249084131 is an apocalyptic number.

249084131 is a deficient number, since it is larger than the sum of its proper divisors (1).

249084131 is an equidigital number, since it uses as much as digits as its factorization.

249084131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 249084131 is about 15782.3994056671. The cubic root of 249084131 is about 629.1903018610.

The spelling of 249084131 in words is "two hundred forty-nine million, eighty-four thousand, one hundred thirty-one".