29620925 has 6 divisors (see below), whose sum is σ = 36729978. Its totient is φ = 23696720.

The previous prime is 29620889. The next prime is 29620933. The reversal of 29620925 is 52902692.

It can be written as a sum of positive squares in 3 ways, for example, as 320356 + 29300569 = 566^2 + 5413^2 .

It is not a de Polignac number, because 29620925 - 2¹⁰ = 29619901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 592394 + ... + 592443.

It is an arithmetic number, because the mean of its divisors is an integer number (6121663).

Almost surely, 2^29620925 is an apocalyptic number.

29620925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29620925 is a deficient number, since it is larger than the sum of its proper divisors (7109053).

29620925 is a wasteful number, since it uses less digits than its factorization.

29620925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184847 (or 1184842 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 29620925 is about 5442.5109094976. The cubic root of 29620925 is about 309.4089501225.

The spelling of 29620925 in words is "twenty-nine million, six hundred twenty thousand, nine hundred twenty-five".