5154561523 has 2 divisors, whose sum is σ = 5154561524. Its totient is φ = 5154561522.

The previous prime is 5154561521. The next prime is 5154561571. The reversal of 5154561523 is 3251654515.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5154561523 - 2¹ = 5154561521 is a prime.

Together with 5154561521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5154561521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577280761 + 2577280762.

It is an arithmetic number, because the mean of its divisors is an integer number (2577280762).

Almost surely, 2^5154561523 is an apocalyptic number.

5154561523 is a deficient number, since it is larger than the sum of its proper divisors (1).

5154561523 is an equidigital number, since it uses as much as digits as its factorization.

5154561523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90000, while the sum is 37.

The square root of 5154561523 is about 71795.2750743390. The cubic root of 5154561523 is about 1727.4172117123.

The spelling of 5154561523 in words is "five billion, one hundred fifty-four million, five hundred sixty-one thousand, five hundred twenty-three".