251242251324014 has 4 divisors (see below), whose sum is σ = 376863376986024. Its totient is φ = 125621125662006.

The previous prime is 251242251324013. The next prime is 251242251324061. The reversal of 251242251324014 is 410423152242152.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251242251324013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62810562831002 + ... + 62810562831005.

It is an arithmetic number, because the mean of its divisors is an integer number (94215844246506).

Almost surely, 2^{251242251324014} is an apocalyptic number.

251242251324014 is a deficient number, since it is larger than the sum of its proper divisors (125621125662010).

251242251324014 is a wasteful number, since it uses less digits than its factorization.

251242251324014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125621125662009.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 251242251324014 in words is "two hundred fifty-one trillion, two hundred forty-two billion, two hundred fifty-one million, three hundred twenty-four thousand, fourteen".