5401142531 has 4 divisors (see below), whose sum is σ = 5453580912. Its totient is φ = 5348704152.

The previous prime is 5401142519. The next prime is 5401142543. The reversal of 5401142531 is 1352411045.

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

It is an interprime number because it is at equal distance from previous prime (5401142519) and next prime (5401142543).

It is a cyclic number.

It is not a de Polignac number, because 5401142531 - 2²⁶ = 5334033667 is a prime.

It is a super-2 number, since 2×5401142531² = 58344681280354171922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5401142531.

It is not an unprimeable number, because it can be changed into a prime (5401142501) 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, 26219036 + ... + 26219241.

It is an arithmetic number, because the mean of its divisors is an integer number (1363395228).

Almost surely, 2^5401142531 is an apocalyptic number.

5401142531 is a deficient number, since it is larger than the sum of its proper divisors (52438381).

5401142531 is a wasteful number, since it uses less digits than its factorization.

5401142531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52438380.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5401142531 is about 73492.4658111292. The cubic root of 5401142531 is about 1754.5343668286.

Adding to 5401142531 its reverse (1352411045), we get a palindrome (6753553576).

The spelling of 5401142531 in words is "five billion, four hundred one million, one hundred forty-two thousand, five hundred thirty-one".