5142633261 has 16 divisors (see below), whose sum is σ = 6935298240. Its totient is φ = 3389299200.

The previous prime is 5142633259. The next prime is 5142633283. The reversal of 5142633261 is 1623362415.

It is not a de Polignac number, because 5142633261 - 2¹ = 5142633259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142633061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191310 + ... + 216528.

It is an arithmetic number, because the mean of its divisors is an integer number (433456140).

Almost surely, 2^5142633261 is an apocalyptic number.

It is an amenable number.

5142633261 is a deficient number, since it is larger than the sum of its proper divisors (1792664979).

5142633261 is a wasteful number, since it uses less digits than its factorization.

5142633261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25996.

The product of its digits is 25920, while the sum is 33.

The square root of 5142633261 is about 71712.1556014041. The cubic root of 5142633261 is about 1726.0837003066.

Adding to 5142633261 its reverse (1623362415), we get a palindrome (6765995676).

The spelling of 5142633261 in words is "five billion, one hundred forty-two million, six hundred thirty-three thousand, two hundred sixty-one".