25061623 has 4 divisors (see below), whose sum is σ = 25073368. Its totient is φ = 25049880.

The previous prime is 25061593. The next prime is 25061639. The reversal of 25061623 is 32616052.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25061623 - 2⁵ = 25061591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25061693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (6268342).

Almost surely, 2^25061623 is an apocalyptic number.

25061623 is a deficient number, since it is larger than the sum of its proper divisors (11745).

25061623 is an equidigital number, since it uses as much as digits as its factorization.

25061623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744.

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

The square root of 25061623 is about 5006.1585072788. The cubic root of 25061623 is about 292.6418256864.

Adding to 25061623 its reverse (32616052), we get a palindrome (57677675).

The spelling of 25061623 in words is "twenty-five million, sixty-one thousand, six hundred twenty-three".