30625361 has 8 divisors (see below), whose sum is σ = 33604200. Its totient is φ = 27735552.

The previous prime is 30625339. The next prime is 30625379. The reversal of 30625361 is 16352603.

It can be written as a sum of positive squares in 4 ways, for example, as 7392961 + 23232400 = 2719^2 + 4820^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30625361 - 2⁶ = 30625297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30625361.

It is not an unprimeable number, because it can be changed into a prime (30625261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21536 + ... + 22913.

It is an arithmetic number, because the mean of its divisors is an integer number (4200525).

Almost surely, 2^30625361 is an apocalyptic number.

It is an amenable number.

30625361 is a deficient number, since it is larger than the sum of its proper divisors (2978839).

30625361 is a wasteful number, since it uses less digits than its factorization.

30625361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44515.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30625361 is about 5534.0185218338. The cubic root of 30625361 is about 312.8674666092.

Adding to 30625361 its reverse (16352603), we get a palindrome (46977964).

It can be divided in two parts, 30625 and 361, that multiplied together give a square (11055625 = 3325²).

The spelling of 30625361 in words is "thirty million, six hundred twenty-five thousand, three hundred sixty-one".