1425113305 has 24 divisors (see below), whose sum is σ = 2170195200. Its totient is φ = 888380640.

The previous prime is 1425113303. The next prime is 1425113323. The reversal of 1425113305 is 5033115241.

It is a happy number.

It is not a de Polignac number, because 1425113305 - 2¹ = 1425113303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425113305.

It is not an unprimeable number, because it can be changed into a prime (1425113303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261705 + ... + 267094.

It is an arithmetic number, because the mean of its divisors is an integer number (90424800).

Almost surely, 2^1425113305 is an apocalyptic number.

It is an amenable number.

1425113305 is a deficient number, since it is larger than the sum of its proper divisors (745081895).

1425113305 is a wasteful number, since it uses less digits than its factorization.

1425113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528829 (or 528822 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1425113305 is about 37750.6729079099. The cubic root of 1425113305 is about 1125.3383818314.

Adding to 1425113305 its reverse (5033115241), we get a palindrome (6458228546).

It can be divided in two parts, 14251 and 13305, that added together give a square (27556 = 166²).

The spelling of 1425113305 in words is "one billion, four hundred twenty-five million, one hundred thirteen thousand, three hundred five".