5142072461 has 4 divisors (see below), whose sum is σ = 5150628924. Its totient is φ = 5133516000.

The previous prime is 5142072457. The next prime is 5142072469. The reversal of 5142072461 is 1642702415.

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 4533463561 + 608608900 = 67331^2 + 24670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142072461 - 2² = 5142072457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142072469) 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, 4277330 + ... + 4278531.

It is an arithmetic number, because the mean of its divisors is an integer number (1287657231).

Almost surely, 2^5142072461 is an apocalyptic number.

It is an amenable number.

5142072461 is a deficient number, since it is larger than the sum of its proper divisors (8556463).

5142072461 is an equidigital number, since it uses as much as digits as its factorization.

5142072461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556462.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 5142072461 is about 71708.2454185012. The cubic root of 5142072461 is about 1726.0209553484.

Adding to 5142072461 its reverse (1642702415), we get a palindrome (6784774876).

The spelling of 5142072461 in words is "five billion, one hundred forty-two million, seventy-two thousand, four hundred sixty-one".