5261428372 has 6 divisors (see below), whose sum is σ = 9207499658. Its totient is φ = 2630714184.

The previous prime is 5261428363. The next prime is 5261428399. The reversal of 5261428372 is 2738241625.

It can be written as a sum of positive squares in only one way, i.e., 5085971856 + 175456516 = 71316^2 + 13246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657678543 + ... + 657678550.

Almost surely, 2^5261428372 is an apocalyptic number.

It is an amenable number.

5261428372 is a deficient number, since it is larger than the sum of its proper divisors (3946071286).

5261428372 is a wasteful number, since it uses less digits than its factorization.

5261428372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315357097 (or 1315357095 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 5261428372 is about 72535.7041187304. The cubic root of 5261428372 is about 1739.2735299118.

Adding to 5261428372 its reverse (2738241625), we get a palindrome (7999669997).

The spelling of 5261428372 in words is "five billion, two hundred sixty-one million, four hundred twenty-eight thousand, three hundred seventy-two".