251412941 has 4 divisors (see below), whose sum is σ = 270752412. Its totient is φ = 232073472.

The previous prime is 251412929. The next prime is 251412971. The reversal of 251412941 is 149214152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 167598916 + 83814025 = 12946^2 + 9155^2 .

It is a cyclic number.

It is not a de Polignac number, because 251412941 - 2¹⁴ = 251396557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251412971) 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, 9669716 + ... + 9669741.

It is an arithmetic number, because the mean of its divisors is an integer number (67688103).

Almost surely, 2^251412941 is an apocalyptic number.

It is an amenable number.

251412941 is a deficient number, since it is larger than the sum of its proper divisors (19339471).

251412941 is a wasteful number, since it uses less digits than its factorization.

251412941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19339470.

The product of its digits is 2880, while the sum is 29.

The square root of 251412941 is about 15856.0064644286. The cubic root of 251412941 is about 631.1450921830.

It can be divided in two parts, 25141 and 2941, that added together give a palindrome (28082).

The spelling of 251412941 in words is "two hundred fifty-one million, four hundred twelve thousand, nine hundred forty-one".