1008722625 has 32 divisors (see below), whose sum is σ = 1777261824. Its totient is φ = 506336000.

The previous prime is 1008722623. The next prime is 1008722633. The reversal of 1008722625 is 5262278001.

It is not a de Polignac number, because 1008722625 - 2¹ = 1008722623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1008722623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72741 + ... + 85490.

It is an arithmetic number, because the mean of its divisors is an integer number (55539432).

Almost surely, 2^1008722625 is an apocalyptic number.

1008722625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1008722625 is a deficient number, since it is larger than the sum of its proper divisors (768539199).

1008722625 is a wasteful number, since it uses less digits than its factorization.

1008722625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158266 (or 158256 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1008722625 is about 31760.3939679595. The cubic root of 1008722625 is about 1002.8991285977.

The spelling of 1008722625 in words is "one billion, eight million, seven hundred twenty-two thousand, six hundred twenty-five".