11725429 has 2 divisors, whose sum is σ = 11725430. Its totient is φ = 11725428.

The previous prime is 11725403. The next prime is 11725447. The reversal of 11725429 is 92452711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6426225 + 5299204 = 2535^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 11725429 - 2⁵ = 11725397 is a prime.

It is a Chen prime.

It is equal to p₇₇₁₁₈₇ and since 11725429 and 771187 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11725429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11725729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5862714 + 5862715.

It is an arithmetic number, because the mean of its divisors is an integer number (5862715).

Almost surely, 2^11725429 is an apocalyptic number.

It is an amenable number.

11725429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11725429 is an equidigital number, since it uses as much as digits as its factorization.

11725429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 11725429 is about 3424.2413758379. The cubic root of 11725429 is about 227.1832180808.

The spelling of 11725429 in words is "eleven million, seven hundred twenty-five thousand, four hundred twenty-nine".