240525401 has 4 divisors (see below), whose sum is σ = 254673972. Its totient is φ = 226376832.

The previous prime is 240525361. The next prime is 240525403. The reversal of 240525401 is 104525042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161315401 + 79210000 = 12701^2 + 8900^2 .

It is a cyclic number.

It is not a de Polignac number, because 240525401 - 2¹⁰ = 240524377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240525403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7074260 + ... + 7074293.

It is an arithmetic number, because the mean of its divisors is an integer number (63668493).

Almost surely, 2^240525401 is an apocalyptic number.

It is an amenable number.

240525401 is a deficient number, since it is larger than the sum of its proper divisors (14148571).

240525401 is a wasteful number, since it uses less digits than its factorization.

240525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148570.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 240525401 is about 15508.8813587570. The cubic root of 240525401 is about 621.8996548595.

The spelling of 240525401 in words is "two hundred forty million, five hundred twenty-five thousand, four hundred one".