250152423421 has 2 divisors, whose sum is σ = 250152423422. Its totient is φ = 250152423420.

The previous prime is 250152423373. The next prime is 250152423427. The reversal of 250152423421 is 124324251052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245232944100 + 4919479321 = 495210^2 + 70139^2 .

It is a cyclic number.

It is not a de Polignac number, because 250152423421 - 2¹⁷ = 250152292349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250152423427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125076211710 + 125076211711.

It is an arithmetic number, because the mean of its divisors is an integer number (125076211711).

Almost surely, 2^250152423421 is an apocalyptic number.

It is an amenable number.

250152423421 is a deficient number, since it is larger than the sum of its proper divisors (1).

250152423421 is an equidigital number, since it uses as much as digits as its factorization.

250152423421 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 250152423421 its reverse (124324251052), we get a palindrome (374476674473).

The spelling of 250152423421 in words is "two hundred fifty billion, one hundred fifty-two million, four hundred twenty-three thousand, four hundred twenty-one".