29725513 has 8 divisors (see below), whose sum is σ = 30492000. Its totient is φ = 28962528.

The previous prime is 29725511. The next prime is 29725523. The reversal of 29725513 is 31552792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29725513 - 2¹ = 29725511 is a prime.

It is a super-2 number, since 2×29725513² = 1767212246226338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29725511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27813 + ... + 28861.

It is an arithmetic number, because the mean of its divisors is an integer number (3811500).

Almost surely, 2^29725513 is an apocalyptic number.

It is an amenable number.

29725513 is a deficient number, since it is larger than the sum of its proper divisors (766487).

29725513 is a wasteful number, since it uses less digits than its factorization.

29725513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its digits is 18900, while the sum is 34.

The square root of 29725513 is about 5452.1108756151. The cubic root of 29725513 is about 309.7726845525.

The spelling of 29725513 in words is "twenty-nine million, seven hundred twenty-five thousand, five hundred thirteen".