402112254253 has 2 divisors, whose sum is σ = 402112254254. Its totient is φ = 402112254252.

The previous prime is 402112254251. The next prime is 402112254259. The reversal of 402112254253 is 352452211204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388474218729 + 13638035524 = 623277^2 + 116782^2 .

It is a cyclic number.

It is not a de Polignac number, because 402112254253 - 2¹ = 402112254251 is a prime.

Together with 402112254251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402112254251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201056127126 + 201056127127.

It is an arithmetic number, because the mean of its divisors is an integer number (201056127127).

Almost surely, 2^402112254253 is an apocalyptic number.

It is an amenable number.

402112254253 is a deficient number, since it is larger than the sum of its proper divisors (1).

402112254253 is an equidigital number, since it uses as much as digits as its factorization.

402112254253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 402112254253 its reverse (352452211204), we get a palindrome (754564465457).

The spelling of 402112254253 in words is "four hundred two billion, one hundred twelve million, two hundred fifty-four thousand, two hundred fifty-three".