30250885 has 32 divisors (see below), whose sum is σ = 43776000. Its totient is φ = 20039040.

The previous prime is 30250861. The next prime is 30250889. The reversal of 30250885 is 58805203.

It is not a de Polignac number, because 30250885 - 2⁹ = 30250373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30250889) 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, 52881 + ... + 53449.

It is an arithmetic number, because the mean of its divisors is an integer number (1368000).

Almost surely, 2^30250885 is an apocalyptic number.

30250885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30250885 is a deficient number, since it is larger than the sum of its proper divisors (13525115).

30250885 is an equidigital number, since it uses as much as digits as its factorization.

30250885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 30250885 is about 5500.0804539570. The cubic root of 30250885 is about 311.5870227765.

The spelling of 30250885 in words is "thirty million, two hundred fifty thousand, eight hundred eighty-five".