30157007 has 2 divisors, whose sum is σ = 30157008. Its totient is φ = 30157006.

The previous prime is 30157003. The next prime is 30157019. The reversal of 30157007 is 70075103.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30157007 - 2² = 30157003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30157003) 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 as a sum of consecutive naturals, namely, 15078503 + 15078504.

It is an arithmetic number, because the mean of its divisors is an integer number (15078504).

Almost surely, 2^30157007 is an apocalyptic number.

30157007 is a deficient number, since it is larger than the sum of its proper divisors (1).

30157007 is an equidigital number, since it uses as much as digits as its factorization.

30157007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 30157007 is about 5491.5395837597. The cubic root of 30157007 is about 311.2643713089.

The spelling of 30157007 in words is "thirty million, one hundred fifty-seven thousand, seven".