424252031 has 4 divisors (see below), whose sum is σ = 484859472. Its totient is φ = 363644592.

The previous prime is 424252013. The next prime is 424252039. The reversal of 424252031 is 130252424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424252031 - 2⁶ = 424251967 is a prime.

It is a super-2 number, since 2×424252031² = 359979571615249922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424251988 and 424252006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424252039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30303710 + ... + 30303723.

It is an arithmetic number, because the mean of its divisors is an integer number (121214868).

Almost surely, 2^424252031 is an apocalyptic number.

424252031 is a deficient number, since it is larger than the sum of its proper divisors (60607441).

424252031 is an equidigital number, since it uses as much as digits as its factorization.

424252031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60607440.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 424252031 is about 20597.3792264938. The cubic root of 424252031 is about 751.4059736335.

The spelling of 424252031 in words is "four hundred twenty-four million, two hundred fifty-two thousand, thirty-one".