25284070 has 24 divisors (see below), whose sum is σ = 52099632. Its totient is φ = 8654400.

The previous prime is 25284067. The next prime is 25284101. The reversal of 25284070 is 7048252.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 41770 + ... + 42370.

It is an arithmetic number, because the mean of its divisors is an integer number (2170818).

Almost surely, 2^25284070 is an apocalyptic number.

25284070 is an abundant number, since it is smaller than the sum of its proper divisors (26815562).

25284070 is an frugal number, since it uses more digits than its factorization.

25284070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 25284070 is about 5028.3267594698. The cubic root of 25284070 is about 293.5051062904.

Multiplying 25284070 by its product of nonzero digits (4480), we get a square (113272633600 = 336560²).

The spelling of 25284070 in words is "twenty-five million, two hundred eighty-four thousand, seventy".