25471316 has 12 divisors (see below), whose sum is σ = 48003732. Its totient is φ = 11755968.

The previous prime is 25471307. The next prime is 25471337. The reversal of 25471316 is 61317452.

It can be written as a sum of positive squares in 2 ways, for example, as 9947716 + 15523600 = 3154^2 + 3940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244865 + ... + 244968.

It is an arithmetic number, because the mean of its divisors is an integer number (4000311).

Almost surely, 2^25471316 is an apocalyptic number.

25471316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25471316 is a deficient number, since it is larger than the sum of its proper divisors (22532416).

25471316 is a wasteful number, since it uses less digits than its factorization.

25471316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489850 (or 489848 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 25471316 is about 5046.9115308275. The cubic root of 25471316 is about 294.2278610538.

Adding to 25471316 its reverse (61317452), we get a palindrome (86788768).

The spelling of 25471316 in words is "twenty-five million, four hundred seventy-one thousand, three hundred sixteen".