25042069 has 8 divisors (see below), whose sum is σ = 27083672. Its totient is φ = 23016960.

The previous prime is 25042063. The next prime is 25042097. The reversal of 25042069 is 96024052.

It can be written as a sum of positive squares in 4 ways, for example, as 191844 + 24850225 = 438^2 + 4985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25042069 - 2¹⁹ = 24517781 is a prime.

It is a super-2 number, since 2×25042069² = 1254210439601522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864 + ... + 7129.

It is an arithmetic number, because the mean of its divisors is an integer number (3385459).

Almost surely, 2^25042069 is an apocalyptic number.

It is an amenable number.

25042069 is a deficient number, since it is larger than the sum of its proper divisors (2041603).

25042069 is a wasteful number, since it uses less digits than its factorization.

25042069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25042069 is about 5004.2051316867. The cubic root of 25042069 is about 292.5656959114.

The spelling of 25042069 in words is "twenty-five million, forty-two thousand, sixty-nine".