1522251051 has 4 divisors (see below), whose sum is σ = 2029668072. Its totient is φ = 1014834032.

The previous prime is 1522251037. The next prime is 1522251053. The reversal of 1522251051 is 1501522251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1522251051 - 2⁵ = 1522251019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1522251053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253708506 + ... + 253708511.

It is an arithmetic number, because the mean of its divisors is an integer number (507417018).

Almost surely, 2^1522251051 is an apocalyptic number.

1522251051 is a deficient number, since it is larger than the sum of its proper divisors (507417021).

1522251051 is an equidigital number, since it uses as much as digits as its factorization.

1522251051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507417020.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1522251051 is about 39016.0358186221. The cubic root of 1522251051 is about 1150.3467262010.

The spelling of 1522251051 in words is "one billion, five hundred twenty-two million, two hundred fifty-one thousand, fifty-one".