5254137529 has 4 divisors (see below), whose sum is σ = 5396141284. Its totient is φ = 5112133776.

The previous prime is 5254137509. The next prime is 5254137533. The reversal of 5254137529 is 9257314525.

It is a happy number.

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 3271840000 + 1982297529 = 57200^2 + 44523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5254137529 is a prime.

It is a super-2 number, since 2×5254137529² = 55211922347292451682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5254137509) 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, 71001822 + ... + 71001895.

It is an arithmetic number, because the mean of its divisors is an integer number (1349035321).

Almost surely, 2^5254137529 is an apocalyptic number.

It is an amenable number.

5254137529 is a deficient number, since it is larger than the sum of its proper divisors (142003755).

5254137529 is a wasteful number, since it uses less digits than its factorization.

5254137529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142003754.

The product of its digits is 378000, while the sum is 43.

The square root of 5254137529 is about 72485.4297704028. The cubic root of 5254137529 is about 1738.4697790941.

The spelling of 5254137529 in words is "five billion, two hundred fifty-four million, one hundred thirty-seven thousand, five hundred twenty-nine".