252002212454 has 4 divisors (see below), whose sum is σ = 378003318684. Its totient is φ = 126001106226.

The previous prime is 252002212453. The next prime is 252002212489. The reversal of 252002212454 is 454212200252.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252002212453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63000553112 + ... + 63000553115.

It is an arithmetic number, because the mean of its divisors is an integer number (94500829671).

Almost surely, 2^252002212454 is an apocalyptic number.

252002212454 is a deficient number, since it is larger than the sum of its proper divisors (126001106230).

252002212454 is a wasteful number, since it uses less digits than its factorization.

252002212454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126001106229.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 252002212454 in words is "two hundred fifty-two billion, two million, two hundred twelve thousand, four hundred fifty-four".