240025161 has 8 divisors (see below), whose sum is σ = 321997600. Its totient is φ = 159034752.

The previous prime is 240025139. The next prime is 240025189. The reversal of 240025161 is 161520042.

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

It is not a de Polignac number, because 240025161 - 2¹³ = 240016969 is a prime.

It is a super-2 number, since 2×240025161² = 115224155826151842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240025361) 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, 244936 + ... + 245913.

It is an arithmetic number, because the mean of its divisors is an integer number (40249700).

Almost surely, 2^240025161 is an apocalyptic number.

It is an amenable number.

240025161 is a deficient number, since it is larger than the sum of its proper divisors (81972439).

240025161 is a wasteful number, since it uses less digits than its factorization.

240025161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491015.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 240025161 is about 15492.7454313301. The cubic root of 240025161 is about 621.4682173978.

The spelling of 240025161 in words is "two hundred forty million, twenty-five thousand, one hundred sixty-one".