425245969 has 4 divisors (see below), whose sum is σ = 425991280. Its totient is φ = 424500660.

The previous prime is 425245949. The next prime is 425245979. The reversal of 425245969 is 969542524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425245969 - 2¹⁷ = 425114897 is a prime.

It is a super-2 number, since 2×425245969² = 361668268301497922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425245949) 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, 371799 + ... + 372940.

It is an arithmetic number, because the mean of its divisors is an integer number (106497820).

Almost surely, 2^425245969 is an apocalyptic number.

It is an amenable number.

425245969 is a deficient number, since it is larger than the sum of its proper divisors (745311).

425245969 is an equidigital number, since it uses as much as digits as its factorization.

425245969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745310.

The product of its digits is 777600, while the sum is 46.

The square root of 425245969 is about 20621.4928897013. The cubic root of 425245969 is about 751.9923141521.

The spelling of 425245969 in words is "four hundred twenty-five million, two hundred forty-five thousand, nine hundred sixty-nine".