151224013 has 2 divisors, whose sum is σ = 151224014. Its totient is φ = 151224012.

The previous prime is 151224001. The next prime is 151224019. The reversal of 151224013 is 310422151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95004009 + 56220004 = 9747^2 + 7498^2 .

It is a cyclic number.

It is not a de Polignac number, because 151224013 - 2⁵ = 151223981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151224019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75612006 + 75612007.

It is an arithmetic number, because the mean of its divisors is an integer number (75612007).

Almost surely, 2^151224013 is an apocalyptic number.

It is an amenable number.

151224013 is a deficient number, since it is larger than the sum of its proper divisors (1).

151224013 is an equidigital number, since it uses as much as digits as its factorization.

151224013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 151224013 is about 12297.3173090719. The cubic root of 151224013 is about 532.7706022495.

Adding to 151224013 its reverse (310422151), we get a palindrome (461646164).

The spelling of 151224013 in words is "one hundred fifty-one million, two hundred twenty-four thousand, thirteen".