424257131 has 2 divisors, whose sum is σ = 424257132. Its totient is φ = 424257130.

The previous prime is 424257107. The next prime is 424257139. The reversal of 424257131 is 131752424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424257131 - 2²² = 420062827 is a prime.

It is a super-2 number, since 2×424257131² = 359988226408702322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424257094 and 424257103.

It is not a weakly prime, because it can be changed into another prime (424257139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212128565 + 212128566.

It is an arithmetic number, because the mean of its divisors is an integer number (212128566).

Almost surely, 2^424257131 is an apocalyptic number.

424257131 is a deficient number, since it is larger than the sum of its proper divisors (1).

424257131 is an equidigital number, since it uses as much as digits as its factorization.

424257131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 424257131 is about 20597.5030282799. The cubic root of 424257131 is about 751.4089845443.

The spelling of 424257131 in words is "four hundred twenty-four million, two hundred fifty-seven thousand, one hundred thirty-one".