2451325121 has 8 divisors (see below), whose sum is σ = 2830396800. Its totient is φ = 2079474048.

The previous prime is 2451325117. The next prime is 2451325127. The reversal of 2451325121 is 1215231542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2451325121 - 2² = 2451325117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2451325127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804421 + ... + 1805778.

It is an arithmetic number, because the mean of its divisors is an integer number (353799600).

Almost surely, 2^2451325121 is an apocalyptic number.

It is an amenable number.

2451325121 is a deficient number, since it is larger than the sum of its proper divisors (379071679).

2451325121 is an equidigital number, since it uses as much as digits as its factorization.

2451325121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610303.

The product of its digits is 2400, while the sum is 26.

The square root of 2451325121 is about 49510.8586170751. The cubic root of 2451325121 is about 1348.3427530605.

Adding to 2451325121 its reverse (1215231542), we get a palindrome (3666556663).

The spelling of 2451325121 in words is "two billion, four hundred fifty-one million, three hundred twenty-five thousand, one hundred twenty-one".