5625259749 has 12 divisors (see below), whose sum is σ = 8139662700. Its totient is φ = 3743578944.

The previous prime is 5625259711. The next prime is 5625259771. The reversal of 5625259749 is 9479525265.

5625259749 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 2 + 597 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3206390625 + 2418869124 = 56625^2 + 49182^2 .

It is not a de Polignac number, because 5625259749 - 2⁷ = 5625259621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5625259695 and 5625259704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625259709) 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, 544114 + ... + 554355.

It is an arithmetic number, because the mean of its divisors is an integer number (678305225).

Almost surely, 2^5625259749 is an apocalyptic number.

It is an amenable number.

5625259749 is a deficient number, since it is larger than the sum of its proper divisors (2514402951).

5625259749 is a wasteful number, since it uses less digits than its factorization.

5625259749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099044 (or 1099041 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 5625259749 is about 75001.7316400095. The cubic root of 5625259749 is about 1778.4740266231.

The spelling of 5625259749 in words is "five billion, six hundred twenty-five million, two hundred fifty-nine thousand, seven hundred forty-nine".