151250521 has 2 divisors, whose sum is σ = 151250522. Its totient is φ = 151250520.

The previous prime is 151250501. The next prime is 151250543. The reversal of 151250521 is 125052151.

It is a happy number.

It is an a-pointer prime, because the next prime (151250543) can be obtained adding 151250521 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106894921 + 44355600 = 10339^2 + 6660^2 .

It is a cyclic number.

It is not a de Polignac number, because 151250521 - 2⁹ = 151250009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151250492 and 151250501.

It is not a weakly prime, because it can be changed into another prime (151250501) 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, 75625260 + 75625261.

It is an arithmetic number, because the mean of its divisors is an integer number (75625261).

Almost surely, 2^151250521 is an apocalyptic number.

It is an amenable number.

151250521 is a deficient number, since it is larger than the sum of its proper divisors (1).

151250521 is an equidigital number, since it uses as much as digits as its factorization.

151250521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 151250521 is about 12298.3950578927. The cubic root of 151250521 is about 532.8017301498.

The spelling of 151250521 in words is "one hundred fifty-one million, two hundred fifty thousand, five hundred twenty-one".