30400153 has 4 divisors (see below), whose sum is σ = 34743040. Its totient is φ = 26057268.

The previous prime is 30400127. The next prime is 30400159. The reversal of 30400153 is 35100403.

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 a de Polignac number, because none of the positive numbers 2^k-30400153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30400159) 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, 2171433 + ... + 2171446.

It is an arithmetic number, because the mean of its divisors is an integer number (8685760).

Almost surely, 2^30400153 is an apocalyptic number.

It is an amenable number.

30400153 is a deficient number, since it is larger than the sum of its proper divisors (4342887).

30400153 is an equidigital number, since it uses as much as digits as its factorization.

30400153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342886.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30400153 is about 5513.6333755519. The cubic root of 30400153 is about 312.0986737264.

Adding to 30400153 its reverse (35100403), we get a palindrome (65500556).

The spelling of 30400153 in words is "thirty million, four hundred thousand, one hundred fifty-three".