153514421 has 2 divisors, whose sum is σ = 153514422. Its totient is φ = 153514420.

The previous prime is 153514399. The next prime is 153514441. The reversal of 153514421 is 124415351.

153514421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82719025 + 70795396 = 9095^2 + 8414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153514421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153514441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76757210 + 76757211.

It is an arithmetic number, because the mean of its divisors is an integer number (76757211).

Almost surely, 2^153514421 is an apocalyptic number.

It is an amenable number.

153514421 is a deficient number, since it is larger than the sum of its proper divisors (1).

153514421 is an equidigital number, since it uses as much as digits as its factorization.

153514421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 153514421 is about 12390.0936638913. The cubic root of 153514421 is about 535.4468808202.

Adding to 153514421 its reverse (124415351), we get a palindrome (277929772).

The spelling of 153514421 in words is "one hundred fifty-three million, five hundred fourteen thousand, four hundred twenty-one".