26450429 has 2 divisors, whose sum is σ = 26450430. Its totient is φ = 26450428.

The previous prime is 26450423. The next prime is 26450447. The reversal of 26450429 is 92405462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 11256025 = 3898^2 + 3355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26450429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26450395 and 26450404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26450423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13225214 + 13225215.

It is an arithmetic number, because the mean of its divisors is an integer number (13225215).

Almost surely, 2^26450429 is an apocalyptic number.

It is an amenable number.

26450429 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450429 is an equidigital number, since it uses as much as digits as its factorization.

26450429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 26450429 is about 5142.9980556092. The cubic root of 26450429 is about 297.9505833708.

The spelling of 26450429 in words is "twenty-six million, four hundred fifty thousand, four hundred twenty-nine".