25123528 has 8 divisors (see below), whose sum is σ = 47106630. Its totient is φ = 12561760.

The previous prime is 25123523. The next prime is 25123561. The reversal of 25123528 is 82532152.

It can be written as a sum of positive squares in only one way, i.e., 22867524 + 2256004 = 4782^2 + 1502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25123496 and 25123505.

It is not an unprimeable number, because it can be changed into a prime (25123523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570213 + ... + 1570228.

Almost surely, 2^25123528 is an apocalyptic number.

It is an amenable number.

25123528 is a deficient number, since it is larger than the sum of its proper divisors (21983102).

25123528 is a wasteful number, since it uses less digits than its factorization.

25123528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140447 (or 3140443 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 25123528 is about 5012.3375784159. The cubic root of 25123528 is about 292.8825801989.

It can be divided in two parts, 25123 and 528, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 25123528 in words is "twenty-five million, one hundred twenty-three thousand, five hundred twenty-eight".