1603425456 has 50 divisors (see below), whose sum is σ = 4640782212. Its totient is φ = 534474720.

The previous prime is 1603425437. The next prime is 1603425487. The reversal of 1603425456 is 6545243061.

1603425456 is a `hidden beast` number, since 1 + 603 + 4 + 2 + 5 + 45 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1603425456.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 617310 + ... + 619901.

Almost surely, 2^1603425456 is an apocalyptic number.

1603425456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1603425456 is an abundant number, since it is smaller than the sum of its proper divisors (3037356756).

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

1603425456 is a wasteful number, since it uses less digits than its factorization.

1603425456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237231 (or 1237216 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1603425456 is about 40042.7953070212. The cubic root of 1603425456 is about 1170.4411748471.

The spelling of 1603425456 in words is "one billion, six hundred three million, four hundred twenty-five thousand, four hundred fifty-six".