25008623 has 4 divisors (see below), whose sum is σ = 25023240. Its totient is φ = 24994008.

The previous prime is 25008619. The next prime is 25008629. The reversal of 25008623 is 32680052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25008623 - 2² = 25008619 is a prime.

It is a super-2 number, since 2×25008623² = 1250862448712258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25008592 and 25008601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25008629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (6255810).

Almost surely, 2^25008623 is an apocalyptic number.

25008623 is a deficient number, since it is larger than the sum of its proper divisors (14617).

25008623 is a wasteful number, since it uses less digits than its factorization.

25008623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25008623 is about 5000.8622256567. The cubic root of 25008623 is about 292.4353883634.

Adding to 25008623 its reverse (32680052), we get a palindrome (57688675).

The spelling of 25008623 in words is "twenty-five million, eight thousand, six hundred twenty-three".