23051225 has 24 divisors (see below), whose sum is σ = 30018912. Its totient is φ = 17539200.

The previous prime is 23051219. The next prime is 23051227. The reversal of 23051225 is 52215032.

It is not a de Polignac number, because 23051225 - 2¹⁰ = 23050201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23051197 and 23051206.

It is not an unprimeable number, because it can be changed into a prime (23051227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43814 + ... + 44336.

It is an arithmetic number, because the mean of its divisors is an integer number (1250788).

Almost surely, 2^23051225 is an apocalyptic number.

23051225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23051225 is a deficient number, since it is larger than the sum of its proper divisors (6967687).

23051225 is a wasteful number, since it uses less digits than its factorization.

23051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23051225 is about 4801.1691284519. The cubic root of 23051225 is about 284.5976676522.

Adding to 23051225 its reverse (52215032), we get a palindrome (75266257).

The spelling of 23051225 in words is "twenty-three million, fifty-one thousand, two hundred twenty-five".