30925949 has 4 divisors (see below), whose sum is σ = 30987936. Its totient is φ = 30863964.

The previous prime is 30925933. The next prime is 30925997. The reversal of 30925949 is 94952903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30925949 - 2⁴ = 30925933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30925649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30239 + ... + 31244.

It is an arithmetic number, because the mean of its divisors is an integer number (7746984).

Almost surely, 2^30925949 is an apocalyptic number.

It is an amenable number.

30925949 is a deficient number, since it is larger than the sum of its proper divisors (61987).

30925949 is an equidigital number, since it uses as much as digits as its factorization.

30925949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61986.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 30925949 is about 5561.1104107004. The cubic root of 30925949 is about 313.8877342178.

The spelling of 30925949 in words is "thirty million, nine hundred twenty-five thousand, nine hundred forty-nine".