29112653 has 4 divisors (see below), whose sum is σ = 30825180. Its totient is φ = 27400128.

The previous prime is 29112623. The next prime is 29112659. The reversal of 29112653 is 35621192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15665764 + 13446889 = 3958^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 29112653 - 2¹⁴ = 29096269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29112659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856238 + ... + 856271.

It is an arithmetic number, because the mean of its divisors is an integer number (7706295).

Almost surely, 2^29112653 is an apocalyptic number.

It is an amenable number.

29112653 is a deficient number, since it is larger than the sum of its proper divisors (1712527).

29112653 is a wasteful number, since it uses less digits than its factorization.

29112653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712526.

The product of its digits is 3240, while the sum is 29.

The square root of 29112653 is about 5395.6142375081. The cubic root of 29112653 is about 307.6289912041.

The spelling of 29112653 in words is "twenty-nine million, one hundred twelve thousand, six hundred fifty-three".