52154251 has 4 divisors (see below), whose sum is σ = 52321192. Its totient is φ = 51987312.

The previous prime is 52154231. The next prime is 52154303. The reversal of 52154251 is 15245125.

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 52154251 - 2²¹ = 50057099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52154231) 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, 83001 + ... + 83626.

It is an arithmetic number, because the mean of its divisors is an integer number (13080298).

Almost surely, 2^52154251 is an apocalyptic number.

52154251 is a deficient number, since it is larger than the sum of its proper divisors (166941).

52154251 is a wasteful number, since it uses less digits than its factorization.

52154251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166940.

The product of its digits is 2000, while the sum is 25.

The square root of 52154251 is about 7221.7900135631. The cubic root of 52154251 is about 373.6198177498.

Adding to 52154251 its reverse (15245125), we get a palindrome (67399376).

The spelling of 52154251 in words is "fifty-two million, one hundred fifty-four thousand, two hundred fifty-one".