152252550421 has 2 divisors, whose sum is σ = 152252550422. Its totient is φ = 152252550420.

The previous prime is 152252550397. The next prime is 152252550431. The reversal of 152252550421 is 124055252251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134700010225 + 17552540196 = 367015^2 + 132486^2 .

It is a cyclic number.

It is not a de Polignac number, because 152252550421 - 2¹¹ = 152252548373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152252550431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76126275210 + 76126275211.

It is an arithmetic number, because the mean of its divisors is an integer number (76126275211).

Almost surely, 2^152252550421 is an apocalyptic number.

It is an amenable number.

152252550421 is a deficient number, since it is larger than the sum of its proper divisors (1).

152252550421 is an equidigital number, since it uses as much as digits as its factorization.

152252550421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 152252550421 in words is "one hundred fifty-two billion, two hundred fifty-two million, five hundred fifty thousand, four hundred twenty-one".