152421527 has 2 divisors, whose sum is σ = 152421528. Its totient is φ = 152421526.

The previous prime is 152421523. The next prime is 152421539. The reversal of 152421527 is 725124251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152421527 - 2² = 152421523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152421527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152421523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76210763 + 76210764.

It is an arithmetic number, because the mean of its divisors is an integer number (76210764).

Almost surely, 2^152421527 is an apocalyptic number.

152421527 is a deficient number, since it is larger than the sum of its proper divisors (1).

152421527 is an equidigital number, since it uses as much as digits as its factorization.

152421527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 152421527 is about 12345.9113474867. The cubic root of 152421527 is about 534.1732092054.

Adding to 152421527 its reverse (725124251), we get a palindrome (877545778).

The spelling of 152421527 in words is "one hundred fifty-two million, four hundred twenty-one thousand, five hundred twenty-seven".