25150240 has 24 divisors (see below), whose sum is σ = 59417820. Its totient is φ = 10060032.

The previous prime is 25150219. The next prime is 25150283. The reversal of 25150240 is 4205152.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 110224 = 5004^2 + 332^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78435 + ... + 78754.

Almost surely, 2^25150240 is an apocalyptic number.

25150240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25150240 is an abundant number, since it is smaller than the sum of its proper divisors (34267580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25150240 is a wasteful number, since it uses less digits than its factorization.

25150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157204 (or 157196 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25150240 is about 5015.0014955132. The cubic root of 25150240 is about 292.9863436036.

Adding to 25150240 its reverse (4205152), we get a palindrome (29355392).

The spelling of 25150240 in words is "twenty-five million, one hundred fifty thousand, two hundred forty".