25545130 has 16 divisors (see below), whose sum is σ = 49518504. Its totient is φ = 9432000.

The previous prime is 25545127. The next prime is 25545167. The reversal of 25545130 is 3154552.

25545130 = T₁₁₂₅ + T₁₁₂₆ + ... + T₁₁₆₃.

It can be written as a sum of positive squares in 4 ways, for example, as 18464209 + 7080921 = 4297^2 + 2661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25545095 and 25545104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98121 + ... + 98380.

Almost surely, 2^25545130 is an apocalyptic number.

25545130 is a deficient number, since it is larger than the sum of its proper divisors (23973374).

25545130 is a wasteful number, since it uses less digits than its factorization.

25545130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196521.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25545130 is about 5054.2190296820. The cubic root of 25545130 is about 294.5118038474.

Adding to 25545130 its reverse (3154552), we get a palindrome (28699682).

The spelling of 25545130 in words is "twenty-five million, five hundred forty-five thousand, one hundred thirty".