2523450409 has 2 divisors, whose sum is σ = 2523450410. Its totient is φ = 2523450408.

The previous prime is 2523450367. The next prime is 2523450463. The reversal of 2523450409 is 9040543252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505302809 + 18147600 = 50053^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523450409 - 2¹⁵ = 2523417641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2523456409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261725204 + 1261725205.

It is an arithmetic number, because the mean of its divisors is an integer number (1261725205).

Almost surely, 2^2523450409 is an apocalyptic number.

It is an amenable number.

2523450409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523450409 is an equidigital number, since it uses as much as digits as its factorization.

2523450409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2523450409 is about 50233.9567324733. The cubic root of 2523450409 is about 1361.4392219706.

The spelling of 2523450409 in words is "two billion, five hundred twenty-three million, four hundred fifty thousand, four hundred nine".