1608715425 has 12 divisors (see below), whose sum is σ = 2659742960. Its totient is φ = 857981520.

The previous prime is 1608715399. The next prime is 1608715439. The reversal of 1608715425 is 5245178061.

It is not a de Polignac number, because 1608715425 - 2¹² = 1608711329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10724695 + ... + 10724844.

Almost surely, 2^1608715425 is an apocalyptic number.

1608715425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1608715425 is a deficient number, since it is larger than the sum of its proper divisors (1051027535).

1608715425 is a wasteful number, since it uses less digits than its factorization.

1608715425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21449552 (or 21449547 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1608715425 is about 40108.7948584846. The cubic root of 1608715425 is about 1171.7269223742.

The spelling of 1608715425 in words is "one billion, six hundred eight million, seven hundred fifteen thousand, four hundred twenty-five".