29903057 has 2 divisors, whose sum is σ = 29903058. Its totient is φ = 29903056.

The previous prime is 29903053. The next prime is 29903087. The reversal of 29903057 is 75030992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 2193361 = 5264^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 29903057 - 2² = 29903053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29903053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14951528 + 14951529.

It is an arithmetic number, because the mean of its divisors is an integer number (14951529).

Almost surely, 2^29903057 is an apocalyptic number.

It is an amenable number.

29903057 is a deficient number, since it is larger than the sum of its proper divisors (1).

29903057 is an equidigital number, since it uses as much as digits as its factorization.

29903057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 29903057 is about 5468.3687695692. The cubic root of 29903057 is about 310.3881956100.

The spelling of 29903057 in words is "twenty-nine million, nine hundred three thousand, fifty-seven".