30361157 has 2 divisors, whose sum is σ = 30361158. Its totient is φ = 30361156.

The previous prime is 30361153. The next prime is 30361181. The reversal of 30361157 is 75116303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 919681 = 5426^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 30361157 - 2² = 30361153 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30361153) 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, 15180578 + 15180579.

It is an arithmetic number, because the mean of its divisors is an integer number (15180579).

Almost surely, 2^30361157 is an apocalyptic number.

It is an amenable number.

30361157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30361157 is an equidigital number, since it uses as much as digits as its factorization.

30361157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 30361157 is about 5510.0959156806. The cubic root of 30361157 is about 311.9651677364.

The spelling of 30361157 in words is "thirty million, three hundred sixty-one thousand, one hundred fifty-seven".