5251241456 has 20 divisors (see below), whose sum is σ = 10225932552. Its totient is φ = 2612291136.

The previous prime is 5251241449. The next prime is 5251241459. The reversal of 5251241456 is 6541421525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251241459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829850 + ... + 836153.

Almost surely, 2^5251241456 is an apocalyptic number.

It is an amenable number.

5251241456 is a deficient number, since it is larger than the sum of its proper divisors (4974691096).

5251241456 is a wasteful number, since it uses less digits than its factorization.

5251241456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666208 (or 1666202 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 5251241456 is about 72465.4500848508. The cubic root of 5251241456 is about 1738.1503063808.

The spelling of 5251241456 in words is "five billion, two hundred fifty-one million, two hundred forty-one thousand, four hundred fifty-six".