29997529 has 3 divisors (see below), whose sum is σ = 30003007. Its totient is φ = 29992052.

The previous prime is 29997521. The next prime is 29997533. The reversal of 29997529 is 92579992.

The square root of 29997529 is 5477.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 21904 = 5475^2 + 148^2 .

It is not a de Polignac number, because 29997529 - 2³ = 29997521 is a prime.

It is a super-2 number, since 2×29997529² = 1799703492211682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29997521) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2739 + ... + 8215.

Almost surely, 2^29997529 is an apocalyptic number.

29997529 is the 5477-th square number.

29997529 is the 2739-th centered octagonal number.

It is an amenable number.

29997529 is a deficient number, since it is larger than the sum of its proper divisors (5478).

29997529 is an frugal number, since it uses more digits than its factorization.

29997529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954 (or 5477 counting only the distinct ones).

The product of its digits is 918540, while the sum is 52.

The cubic root of 29997529 is about 310.7147192817.

The spelling of 29997529 in words is "twenty-nine million, nine hundred ninety-seven thousand, five hundred twenty-nine".