23061625 has 24 divisors (see below), whose sum is σ = 29829384. Its totient is φ = 17794400.

The previous prime is 23061589. The next prime is 23061637. The reversal of 23061625 is 52616032.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 22838841 = 472^2 + 4779^2 .

It is not a de Polignac number, because 23061625 - 2¹⁵ = 23028857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23061625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390846 + ... + 390904.

It is an arithmetic number, because the mean of its divisors is an integer number (1242891).

Almost surely, 2^23061625 is an apocalyptic number.

23061625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23061625 is a deficient number, since it is larger than the sum of its proper divisors (6767759).

23061625 is an frugal number, since it uses more digits than its factorization.

23061625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 23061625 is about 4802.2520758494. The cubic root of 23061625 is about 284.6404617731.

Adding to 23061625 its reverse (52616032), we get a palindrome (75677657).

It can be divided in two parts, 2 and 3061625, that multiplied together give a triangular number (6123250 = T₃₄₉₉).

The spelling of 23061625 in words is "twenty-three million, sixty-one thousand, six hundred twenty-five".