240025453 has 2 divisors, whose sum is σ = 240025454. Its totient is φ = 240025452.

The previous prime is 240025451. The next prime is 240025477. The reversal of 240025453 is 354520042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136352329 + 103673124 = 11677^2 + 10182^2 .

It is a cyclic number.

It is not a de Polignac number, because 240025453 - 2¹ = 240025451 is a prime.

It is a super-2 number, since 2×240025453² = 115224436175710418, which contains 22 as substring.

Together with 240025451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240025451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120012726 + 120012727.

It is an arithmetic number, because the mean of its divisors is an integer number (120012727).

Almost surely, 2^240025453 is an apocalyptic number.

It is an amenable number.

240025453 is a deficient number, since it is larger than the sum of its proper divisors (1).

240025453 is an equidigital number, since it uses as much as digits as its factorization.

240025453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 240025453 is about 15492.7548550928. The cubic root of 240025453 is about 621.4684694111.

Adding to 240025453 its reverse (354520042), we get a palindrome (594545495).

The spelling of 240025453 in words is "two hundred forty million, twenty-five thousand, four hundred fifty-three".