30425143 has 8 divisors (see below), whose sum is σ = 35038080. Its totient is φ = 25878840.

The previous prime is 30425111. The next prime is 30425149. The reversal of 30425143 is 34152403.

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

It is a cyclic number.

It is not a de Polignac number, because 30425143 - 2⁵ = 30425111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15673 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (4379760).

Almost surely, 2^30425143 is an apocalyptic number.

30425143 is a deficient number, since it is larger than the sum of its proper divisors (4612937).

30425143 is a wasteful number, since it uses less digits than its factorization.

30425143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33317.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30425143 is about 5515.8991107525. The cubic root of 30425143 is about 312.1841690167.

Adding to 30425143 its reverse (34152403), we get a palindrome (64577546).

The spelling of 30425143 in words is "thirty million, four hundred twenty-five thousand, one hundred forty-three".