5251242045 has 24 divisors (see below), whose sum is σ = 9773741664. Its totient is φ = 2400567456.

The previous prime is 5251242037. The next prime is 5251242089. The reversal of 5251242045 is 5402421525.

It is not a de Polignac number, because 5251242045 - 2³ = 5251242037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3571539 + ... + 3573008.

It is an arithmetic number, because the mean of its divisors is an integer number (407239236).

Almost surely, 2^5251242045 is an apocalyptic number.

It is an amenable number.

5251242045 is a deficient number, since it is larger than the sum of its proper divisors (4522499619).

5251242045 is a wasteful number, since it uses less digits than its factorization.

5251242045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144569 (or 7144562 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5251242045 is about 72465.4541488563. The cubic root of 5251242045 is about 1738.1503713667.

The spelling of 5251242045 in words is "five billion, two hundred fifty-one million, two hundred forty-two thousand, forty-five".