29925913 has 2 divisors, whose sum is σ = 29925914. Its totient is φ = 29925912.

The previous prime is 29925853. The next prime is 29925947. The reversal of 29925913 is 31952992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28869129 + 1056784 = 5373^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 29925913 - 2¹³ = 29917721 is a prime.

It is not a weakly prime, because it can be changed into another prime (29925953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14962956 + 14962957.

It is an arithmetic number, because the mean of its divisors is an integer number (14962957).

Almost surely, 2^29925913 is an apocalyptic number.

It is an amenable number.

29925913 is a deficient number, since it is larger than the sum of its proper divisors (1).

29925913 is an equidigital number, since it uses as much as digits as its factorization.

29925913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 29925913 is about 5470.4582074996. The cubic root of 29925913 is about 310.4672558201.

The spelling of 29925913 in words is "twenty-nine million, nine hundred twenty-five thousand, nine hundred thirteen".