30629497 has 2 divisors, whose sum is σ = 30629498. Its totient is φ = 30629496.

The previous prime is 30629449. The next prime is 30629513. The reversal of 30629497 is 79492603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30514576 + 114921 = 5524^2 + 339^2 .

It is an emirp because it is prime and its reverse (79492603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30629497 - 2¹⁵ = 30596729 is a prime.

It is not a weakly prime, because it can be changed into another prime (30629447) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15314748 + 15314749.

It is an arithmetic number, because the mean of its divisors is an integer number (15314749).

Almost surely, 2^30629497 is an apocalyptic number.

It is an amenable number.

30629497 is a deficient number, since it is larger than the sum of its proper divisors (1).

30629497 is an equidigital number, since it uses as much as digits as its factorization.

30629497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 30629497 is about 5534.3921978841. The cubic root of 30629497 is about 312.8815503789.

The spelling of 30629497 in words is "thirty million, six hundred twenty-nine thousand, four hundred ninety-seven".