1425203616 has 24 divisors (see below), whose sum is σ = 3741159744. Its totient is φ = 475067840.

The previous prime is 1425203597. The next prime is 1425203621. The reversal of 1425203616 is 6163025241.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7422840 + ... + 7423031.

It is an arithmetic number, because the mean of its divisors is an integer number (155881656).

Almost surely, 2^1425203616 is an apocalyptic number.

1425203616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1425203616 is an abundant number, since it is smaller than the sum of its proper divisors (2315956128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425203616 is a wasteful number, since it uses less digits than its factorization.

1425203616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14845884 (or 14845876 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1425203616 is about 37751.8690398237. The cubic root of 1425203616 is about 1125.3621526402.

Adding to 1425203616 its reverse (6163025241), we get a palindrome (7588228857).

The spelling of 1425203616 in words is "one billion, four hundred twenty-five million, two hundred three thousand, six hundred sixteen".