2457545251 has 8 divisors (see below), whose sum is σ = 2811884544. Its totient is φ = 2104021320.

The previous prime is 2457545249. The next prime is 2457545269. The reversal of 2457545251 is 1525457542.

It is a happy number.

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 2457545251 - 2¹ = 2457545249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2457515251) 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, 197365 + ... + 209446.

It is an arithmetic number, because the mean of its divisors is an integer number (351485568).

Almost surely, 2^2457545251 is an apocalyptic number.

2457545251 is a deficient number, since it is larger than the sum of its proper divisors (354339293).

2457545251 is an equidigital number, since it uses as much as digits as its factorization.

2457545251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407681.

The product of its digits is 280000, while the sum is 40.

The square root of 2457545251 is about 49573.6346357618. The cubic root of 2457545251 is about 1349.4822433374.

The spelling of 2457545251 in words is "two billion, four hundred fifty-seven million, five hundred forty-five thousand, two hundred fifty-one".