29421513 has 18 divisors (see below), whose sum is σ = 46714122. Its totient is φ = 17830560.

The previous prime is 29421493. The next prime is 29421523. The reversal of 29421513 is 31512492.

It can be written as a sum of positive squares in only one way, i.e., 29289744 + 131769 = 5412^2 + 363^2 .

It is not a de Polignac number, because 29421513 - 2¹² = 29417417 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29421523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12420 + ... + 14597.

It is an arithmetic number, because the mean of its divisors is an integer number (2595229).

Almost surely, 2^29421513 is an apocalyptic number.

It is an amenable number.

29421513 is a deficient number, since it is larger than the sum of its proper divisors (17292609).

29421513 is a wasteful number, since it uses less digits than its factorization.

29421513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27045 (or 27031 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 29421513 is about 5424.1601193180. The cubic root of 29421513 is about 308.7130587895.

The spelling of 29421513 in words is "twenty-nine million, four hundred twenty-one thousand, five hundred thirteen".