25273823 has 2 divisors, whose sum is σ = 25273824. Its totient is φ = 25273822.

The previous prime is 25273793. The next prime is 25273847. The reversal of 25273823 is 32837252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25273823 - 2¹⁰ = 25272799 is a prime.

It is a super-2 number, since 2×25273823² = 1277532258070658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25273823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25273223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12636911 + 12636912.

It is an arithmetic number, because the mean of its divisors is an integer number (12636912).

Almost surely, 2^25273823 is an apocalyptic number.

25273823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25273823 is an equidigital number, since it uses as much as digits as its factorization.

25273823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 25273823 is about 5027.3077287948. The cubic root of 25273823 is about 293.4654508445.

The spelling of 25273823 in words is "twenty-five million, two hundred seventy-three thousand, eight hundred twenty-three".