425250031 has 4 divisors (see below), whose sum is σ = 434297952. Its totient is φ = 416202112.

The previous prime is 425250011. The next prime is 425250083. The reversal of 425250031 is 130052524.

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 425250031 - 2¹¹ = 425247983 is a prime.

It is a super-2 number, since 2×425250031² = 361675177731001922, 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 = 425249984 and 425250011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425250011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4523890 + ... + 4523983.

It is an arithmetic number, because the mean of its divisors is an integer number (108574488).

Almost surely, 2^425250031 is an apocalyptic number.

425250031 is a deficient number, since it is larger than the sum of its proper divisors (9047921).

425250031 is an equidigital number, since it uses as much as digits as its factorization.

425250031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047920.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 425250031 is about 20621.5913789407. The cubic root of 425250031 is about 751.9947085177.

The spelling of 425250031 in words is "four hundred twenty-five million, two hundred fifty thousand, thirty-one".