25653323 has 4 divisors (see below), whose sum is σ = 27162360. Its totient is φ = 24144288.

The previous prime is 25653307. The next prime is 25653343. The reversal of 25653323 is 32335652.

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

It is a cyclic number.

It is not a de Polignac number, because 25653323 - 2⁴ = 25653307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25653343) 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, 754493 + ... + 754526.

It is an arithmetic number, because the mean of its divisors is an integer number (6790590).

Almost surely, 2^25653323 is an apocalyptic number.

25653323 is a deficient number, since it is larger than the sum of its proper divisors (1509037).

25653323 is a wasteful number, since it uses less digits than its factorization.

25653323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509036.

The product of its digits is 16200, while the sum is 29.

The square root of 25653323 is about 5064.9109567691. The cubic root of 25653323 is about 294.9270067417.

Adding to 25653323 its reverse (32335652), we get a palindrome (57988975).

The spelling of 25653323 in words is "twenty-five million, six hundred fifty-three thousand, three hundred twenty-three".