25049223 has 32 divisors (see below), whose sum is σ = 38449920. Its totient is φ = 16109280.

The previous prime is 25049221. The next prime is 25049281. The reversal of 25049223 is 32294052.

It is not a de Polignac number, because 25049223 - 2¹ = 25049221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25049221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110236 + ... + 110462.

It is an arithmetic number, because the mean of its divisors is an integer number (1201560).

Almost surely, 2^25049223 is an apocalyptic number.

25049223 is a deficient number, since it is larger than the sum of its proper divisors (13400697).

25049223 is a wasteful number, since it uses less digits than its factorization.

25049223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25049223 is about 5004.9198794786. The cubic root of 25049223 is about 292.5935532437.

The spelling of 25049223 in words is "twenty-five million, forty-nine thousand, two hundred twenty-three".