29152979 has 2 divisors, whose sum is σ = 29152980. Its totient is φ = 29152978.

The previous prime is 29152969. The next prime is 29152993. The reversal of 29152979 is 97925192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29152979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (29152919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14576489 + 14576490.

It is an arithmetic number, because the mean of its divisors is an integer number (14576490).

Almost surely, 2^29152979 is an apocalyptic number.

29152979 is a deficient number, since it is larger than the sum of its proper divisors (1).

29152979 is an equidigital number, since it uses as much as digits as its factorization.

29152979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The square root of 29152979 is about 5399.3498682712. The cubic root of 29152979 is about 307.7709652479.

The spelling of 29152979 in words is "twenty-nine million, one hundred fifty-two thousand, nine hundred seventy-nine".