424909031 has 2 divisors, whose sum is σ = 424909032. Its totient is φ = 424909030.

The previous prime is 424909021. The next prime is 424909097. The reversal of 424909031 is 130909424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424909031 is a prime.

It is a super-2 number, since 2×424909031² = 361095369250717922, which contains 22 as substring.

It is equal to p_22591940 and since 424909031 and 22591940 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424909021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212454515 + 212454516.

It is an arithmetic number, because the mean of its divisors is an integer number (212454516).

Almost surely, 2^424909031 is an apocalyptic number.

424909031 is a deficient number, since it is larger than the sum of its proper divisors (1).

424909031 is an equidigital number, since it uses as much as digits as its factorization.

424909031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 424909031 is about 20613.3216876854. The cubic root of 424909031 is about 751.7936512968.

The spelling of 424909031 in words is "four hundred twenty-four million, nine hundred nine thousand, thirty-one".