25442970 has 32 divisors (see below), whose sum is σ = 69787008. Its totient is φ = 5815488.

The previous prime is 25442969. The next prime is 25442981. The reversal of 25442970 is 7924452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60369 + ... + 60788.

It is an arithmetic number, because the mean of its divisors is an integer number (2180844).

Almost surely, 2^25442970 is an apocalyptic number.

25442970 is an abundant number, since it is smaller than the sum of its proper divisors (44344038).

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

25442970 is a wasteful number, since it uses less digits than its factorization.

25442970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121174.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 25442970 is about 5044.1024969760. The cubic root of 25442970 is about 294.1186757690.

The spelling of 25442970 in words is "twenty-five million, four hundred forty-two thousand, nine hundred seventy".