2531404043 has 6 divisors (see below), whose sum is σ = 2944694556. Its totient is φ = 2169774852.

The previous prime is 2531404037. The next prime is 2531404063. The reversal of 2531404043 is 3404041352.

It is not a de Polignac number, because 2531404043 - 2¹² = 2531399947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531404013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25830605 + ... + 25830702.

It is an arithmetic number, because the mean of its divisors is an integer number (490782426).

Almost surely, 2^2531404043 is an apocalyptic number.

2531404043 is a deficient number, since it is larger than the sum of its proper divisors (413290513).

2531404043 is an equidigital number, since it uses as much as digits as its factorization.

2531404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51661321 (or 51661314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2531404043 is about 50313.0603620968. The cubic root of 2531404043 is about 1362.8680899603.

Adding to 2531404043 its reverse (3404041352), we get a palindrome (5935445395).

The spelling of 2531404043 in words is "two billion, five hundred thirty-one million, four hundred four thousand, forty-three".