2051504413 has 12 divisors (see below), whose sum is σ = 2444652252. Its totient is φ = 1715542080.

The previous prime is 2051504303. The next prime is 2051504431. The reversal of 2051504413 is 3144051502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 396886084 + 1654618329 = 19922^2 + 40677^2 .

It is not a de Polignac number, because 2051504413 - 2²⁵ = 2017949981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051504513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508570 + ... + 512587.

It is an arithmetic number, because the mean of its divisors is an integer number (203721021).

Almost surely, 2^2051504413 is an apocalyptic number.

It is an amenable number.

2051504413 is a deficient number, since it is larger than the sum of its proper divisors (393147839).

2051504413 is a wasteful number, since it uses less digits than its factorization.

2051504413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021212 (or 1021205 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2051504413 is about 45293.5361061598. The cubic root of 2051504413 is about 1270.6447659138.

Adding to 2051504413 its reverse (3144051502), we get a palindrome (5195555915).

The spelling of 2051504413 in words is "two billion, fifty-one million, five hundred four thousand, four hundred thirteen".