29228513 has 2 divisors, whose sum is σ = 29228514. Its totient is φ = 29228512.

The previous prime is 29228471. The next prime is 29228581. The reversal of 29228513 is 31582292.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28121809 + 1106704 = 5303^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 29228513 - 2¹⁰ = 29227489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29228513.

It is not a weakly prime, because it can be changed into another prime (29221513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14614256 + 14614257.

It is an arithmetic number, because the mean of its divisors is an integer number (14614257).

Almost surely, 2^29228513 is an apocalyptic number.

It is an amenable number.

29228513 is a deficient number, since it is larger than the sum of its proper divisors (1).

29228513 is an equidigital number, since it uses as much as digits as its factorization.

29228513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 29228513 is about 5406.3400743941. The cubic root of 29228513 is about 308.0365427210.

The spelling of 29228513 in words is "twenty-nine million, two hundred twenty-eight thousand, five hundred thirteen".