23021025 has 12 divisors (see below), whose sum is σ = 38061552. Its totient is φ = 12277840.

The previous prime is 23020997. The next prime is 23021029. The reversal of 23021025 is 52012032.

It is not a de Polignac number, because 23021025 - 2⁶ = 23020961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 23020995 and 23021013.

It is not an unprimeable number, because it can be changed into a prime (23021029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153399 + ... + 153548.

It is an arithmetic number, because the mean of its divisors is an integer number (3171796).

Almost surely, 2^23021025 is an apocalyptic number.

23021025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23021025 is a deficient number, since it is larger than the sum of its proper divisors (15040527).

23021025 is a wasteful number, since it uses less digits than its factorization.

23021025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306960 (or 306955 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23021025 is about 4798.0230303741. The cubic root of 23021025 is about 284.4733271057.

Adding to 23021025 its reverse (52012032), we get a palindrome (75033057).

The spelling of 23021025 in words is "twenty-three million, twenty-one thousand, twenty-five".