2531420441 has 8 divisors (see below), whose sum is σ = 2763236064. Its totient is φ = 2299885920.

The previous prime is 2531420431. The next prime is 2531420447. The reversal of 2531420441 is 1440241352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531420441 is a prime.

It is a super-2 number, since 2×2531420441² = 12816178898225268962, 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 2531420441.

It is not an unprimeable number, because it can be changed into a prime (2531420447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51215 + ... + 87668.

It is an arithmetic number, because the mean of its divisors is an integer number (345404508).

Almost surely, 2^2531420441 is an apocalyptic number.

It is an amenable number.

2531420441 is a deficient number, since it is larger than the sum of its proper divisors (231815623).

2531420441 is a wasteful number, since it uses less digits than its factorization.

2531420441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140551.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2531420441 is about 50313.2233215086. The cubic root of 2531420441 is about 1362.8710327624.

Adding to 2531420441 its reverse (1440241352), we get a palindrome (3971661793).

Subtracting from 2531420441 its reverse (1440241352), we obtain a square (1091179089 = 33033²).

The spelling of 2531420441 in words is "two billion, five hundred thirty-one million, four hundred twenty thousand, four hundred forty-one".