240412553 has 2 divisors, whose sum is σ = 240412554. Its totient is φ = 240412552.

The previous prime is 240412531. The next prime is 240412591. The reversal of 240412553 is 355214042.

It is a happy number.

240412553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213247609 + 27164944 = 14603^2 + 5212^2 .

It is a cyclic number.

It is not a de Polignac number, because 240412553 - 2²⁴ = 223635337 is a prime.

It is equal to p_13183055 and since 240412553 and 13183055 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (240418553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120206276 + 120206277.

It is an arithmetic number, because the mean of its divisors is an integer number (120206277).

Almost surely, 2^240412553 is an apocalyptic number.

It is an amenable number.

240412553 is a deficient number, since it is larger than the sum of its proper divisors (1).

240412553 is an equidigital number, since it uses as much as digits as its factorization.

240412553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 240412553 is about 15505.2427584995. The cubic root of 240412553 is about 621.8023801568.

Adding to 240412553 its reverse (355214042), we get a palindrome (595626595).

The spelling of 240412553 in words is "two hundred forty million, four hundred twelve thousand, five hundred fifty-three".