709645425 has 24 divisors (see below), whose sum is σ = 1201902240. Its totient is φ = 369244800.

The previous prime is 709645373. The next prime is 709645477. The reversal of 709645425 is 524546907.

It is an interprime number because it is at equal distance from previous prime (709645373) and next prime (709645477).

It is not a de Polignac number, because 709645425 - 2⁶ = 709645361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112315 + ... + 118464.

It is an arithmetic number, because the mean of its divisors is an integer number (50079260).

Almost surely, 2^709645425 is an apocalyptic number.

709645425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

709645425 is a deficient number, since it is larger than the sum of its proper divisors (492256815).

709645425 is a wasteful number, since it uses less digits than its factorization.

709645425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230833 (or 230828 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 709645425 is about 26639.1708767371. The cubic root of 709645425 is about 891.9636083640.

The spelling of 709645425 in words is "seven hundred nine million, six hundred forty-five thousand, four hundred twenty-five".