5125242451 has 4 divisors (see below), whose sum is σ = 5857419952. Its totient is φ = 4393064952.

The previous prime is 5125242449. The next prime is 5125242461. The reversal of 5125242451 is 1542425215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5125242451 - 2¹ = 5125242449 is a prime.

It is a super-2 number, since 2×5125242451² = 52536220363064974802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125242461) 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, 366088740 + ... + 366088753.

It is an arithmetic number, because the mean of its divisors is an integer number (1464354988).

Almost surely, 2^5125242451 is an apocalyptic number.

5125242451 is a deficient number, since it is larger than the sum of its proper divisors (732177501).

5125242451 is an equidigital number, since it uses as much as digits as its factorization.

5125242451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732177500.

The product of its digits is 16000, while the sum is 31.

The square root of 5125242451 is about 71590.7986475916. The cubic root of 5125242451 is about 1724.1358075258.

Adding to 5125242451 its reverse (1542425215), we get a palindrome (6667667666).

The spelling of 5125242451 in words is "five billion, one hundred twenty-five million, two hundred forty-two thousand, four hundred fifty-one".