25143066 has 24 divisors (see below), whose sum is σ = 58667700. Its totient is φ = 7736256.

The previous prime is 25143059. The next prime is 25143133. The reversal of 25143066 is 66034152.

It can be written as a sum of positive squares in 2 ways, for example, as 18533025 + 6610041 = 4305^2 + 2571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53491 + ... + 53958.

Almost surely, 2^25143066 is an apocalyptic number.

25143066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25143066 is an abundant number, since it is smaller than the sum of its proper divisors (33524634).

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

25143066 is a wasteful number, since it uses less digits than its factorization.

25143066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107470 (or 107467 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25143066 is about 5014.2861904762. The cubic root of 25143066 is about 292.9584832477.

The spelling of 25143066 in words is "twenty-five million, one hundred forty-three thousand, sixty-six".