425925249 has 4 divisors (see below), whose sum is σ = 567900336. Its totient is φ = 283950164.

The previous prime is 425925197. The next prime is 425925251. The reversal of 425925249 is 942529524.

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 425925249 - 2⁷ = 425925121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425925249.

It is not an unprimeable number, because it can be changed into a prime (425924249) 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, 70987539 + ... + 70987544.

It is an arithmetic number, because the mean of its divisors is an integer number (141975084).

Almost surely, 2^425925249 is an apocalyptic number.

It is an amenable number.

425925249 is a deficient number, since it is larger than the sum of its proper divisors (141975087).

425925249 is a wasteful number, since it uses less digits than its factorization.

425925249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141975086.

The product of its digits is 259200, while the sum is 42.

The square root of 425925249 is about 20637.9565122131. The cubic root of 425925249 is about 752.3925073184.

The spelling of 425925249 in words is "four hundred twenty-five million, nine hundred twenty-five thousand, two hundred forty-nine".