25149130 has 16 divisors (see below), whose sum is σ = 45355464. Its totient is φ = 10040320.

The previous prime is 25149127. The next prime is 25149139. The reversal of 25149130 is 3194152.

It can be written as a sum of positive squares in 4 ways, for example, as 25010001 + 139129 = 5001^2 + 373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25149095 and 25149104.

It is not an unprimeable number, because it can be changed into a prime (25149139) 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, 3810 + ... + 8050.

Almost surely, 2^25149130 is an apocalyptic number.

25149130 is a deficient number, since it is larger than the sum of its proper divisors (20206334).

25149130 is a wasteful number, since it uses less digits than its factorization.

25149130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 25149130 is about 5014.8908263291. The cubic root of 25149130 is about 292.9820332454.

The spelling of 25149130 in words is "twenty-five million, one hundred forty-nine thousand, one hundred thirty".