5241251345 has 32 divisors (see below), whose sum is σ = 7124094720. Its totient is φ = 3666781440.

The previous prime is 5241251321. The next prime is 5241251347. The reversal of 5241251345 is 5431521425.

It is a de Polignac number, because none of the positive numbers 2^k-5241251345 is a prime.

It is a super-2 number, since 2×5241251345² = 54941431322928618050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5241251347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435884 + ... + 447746.

It is an arithmetic number, because the mean of its divisors is an integer number (222627960).

Almost surely, 2^5241251345 is an apocalyptic number.

5241251345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5241251345 is a deficient number, since it is larger than the sum of its proper divisors (1882843375).

5241251345 is a wasteful number, since it uses less digits than its factorization.

5241251345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185.

The product of its digits is 24000, while the sum is 32.

The square root of 5241251345 is about 72396.4871040025. The cubic root of 5241251345 is about 1737.0473711512.

The spelling of 5241251345 in words is "five billion, two hundred forty-one million, two hundred fifty-one thousand, three hundred forty-five".