1425665241 has 216 divisors, whose sum is σ = 2968078464. Its totient is φ = 651006720.

The previous prime is 1425665159. The next prime is 1425665257.

1425665241 is a `hidden beast` number, since 1 + 4 + 2 + 566 + 52 + 41 = 666.

1425665241 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1425665241 - 2⁷ = 1425665113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425665196 and 1425665205.

It is not an unprimeable number, because it can be changed into a prime (1425665261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 30333280 + ... + 30333326.

It is an arithmetic number, because the mean of its divisors is an integer number (13741104).

Almost surely, 2^1425665241 is an apocalyptic number.

1425665241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1425665241 is an abundant number, since it is smaller than the sum of its proper divisors (1542413223).

1425665241 is a wasteful number, since it uses less digits than its factorization.

1425665241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 118 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1425665241 is about 37757.9824805299. The cubic root of 1425665241 is about 1125.4836415325.

It can be divided in two parts, 14256 and 65241, that added together give a palindrome (79497).

The spelling of 1425665241 in words is "one billion, four hundred twenty-five million, six hundred sixty-five thousand, two hundred forty-one".