29925947 has 2 divisors, whose sum is σ = 29925948. Its totient is φ = 29925946.

The previous prime is 29925913. The next prime is 29925953. The reversal of 29925947 is 74952992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29925947 - 2¹⁴ = 29909563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29925347) 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, 14962973 + 14962974.

It is an arithmetic number, because the mean of its divisors is an integer number (14962974).

Almost surely, 2^29925947 is an apocalyptic number.

29925947 is a deficient number, since it is larger than the sum of its proper divisors (1).

29925947 is an equidigital number, since it uses as much as digits as its factorization.

29925947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 29925947 is about 5470.4613150995. The cubic root of 29925947 is about 310.4673733981.

The spelling of 29925947 in words is "twenty-nine million, nine hundred twenty-five thousand, nine hundred forty-seven".