5145682551 has 4 divisors (see below), whose sum is σ = 6860910072. Its totient is φ = 3430455032.

The previous prime is 5145682513. The next prime is 5145682571. The reversal of 5145682551 is 1552865415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5145682551 - 2⁹ = 5145682039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145682571) 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, 857613756 + ... + 857613761.

It is an arithmetic number, because the mean of its divisors is an integer number (1715227518).

Almost surely, 2^5145682551 is an apocalyptic number.

5145682551 is a deficient number, since it is larger than the sum of its proper divisors (1715227521).

5145682551 is a wasteful number, since it uses less digits than its factorization.

5145682551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715227520.

The product of its digits is 240000, while the sum is 42.

The square root of 5145682551 is about 71733.4130722915. The cubic root of 5145682551 is about 1726.4247894955.

The spelling of 5145682551 in words is "five billion, one hundred forty-five million, six hundred eighty-two thousand, five hundred fifty-one".