2575736251 has 4 divisors (see below), whose sum is σ = 2809894104. Its totient is φ = 2341578400.

The previous prime is 2575736231. The next prime is 2575736287. The reversal of 2575736251 is 1526375752.

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 2575736251 - 2¹³ = 2575728059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2575736198 and 2575736207.

It is not an unprimeable number, because it can be changed into a prime (2575736231) 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, 117078910 + ... + 117078931.

It is an arithmetic number, because the mean of its divisors is an integer number (702473526).

Almost surely, 2^2575736251 is an apocalyptic number.

2575736251 is a deficient number, since it is larger than the sum of its proper divisors (234157853).

2575736251 is a wasteful number, since it uses less digits than its factorization.

2575736251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234157852.

The product of its digits is 441000, while the sum is 43.

The square root of 2575736251 is about 50751.7118036426. The cubic root of 2575736251 is about 1370.7780138745.

The spelling of 2575736251 in words is "two billion, five hundred seventy-five million, seven hundred thirty-six thousand, two hundred fifty-one".