25445030 has 16 divisors (see below), whose sum is σ = 49324464. Its totient is φ = 9395040.

The previous prime is 25445027. The next prime is 25445033. The reversal of 25445030 is 3054452.

It is an interprime number because it is at equal distance from previous prime (25445027) and next prime (25445033).

It is a junction number, because it is equal to n+sod(n) for n = 25444987 and 25445005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25445033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97736 + ... + 97995.

It is an arithmetic number, because the mean of its divisors is an integer number (3082779).

Almost surely, 2^25445030 is an apocalyptic number.

25445030 is a deficient number, since it is larger than the sum of its proper divisors (23879434).

25445030 is a wasteful number, since it uses less digits than its factorization.

25445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195751.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25445030 is about 5044.3066917070. The cubic root of 25445030 is about 294.1266133659.

Adding to 25445030 its reverse (3054452), we get a palindrome (28499482).

The spelling of 25445030 in words is "twenty-five million, four hundred forty-five thousand, thirty".