2523450653 has 4 divisors (see below), whose sum is σ = 2591652060. Its totient is φ = 2455249248.

The previous prime is 2523450649. The next prime is 2523450659. The reversal of 2523450653 is 3560543252.

2523450653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1635231844 + 888218809 = 40438^2 + 29803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523450653 - 2² = 2523450649 is a prime.

It is a super-2 number, since 2×2523450653² = 12735606396252252818, 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 (2523450659) 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, 34100648 + ... + 34100721.

It is an arithmetic number, because the mean of its divisors is an integer number (647913015).

Almost surely, 2^2523450653 is an apocalyptic number.

It is an amenable number.

2523450653 is a deficient number, since it is larger than the sum of its proper divisors (68201407).

2523450653 is an equidigital number, since it uses as much as digits as its factorization.

2523450653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68201406.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 2523450653 is about 50233.9591611093. The cubic root of 2523450653 is about 1361.4392658512.

The spelling of 2523450653 in words is "two billion, five hundred twenty-three million, four hundred fifty thousand, six hundred fifty-three".