1520051453 has 2 divisors, whose sum is σ = 1520051454. Its totient is φ = 1520051452.

The previous prime is 1520051411. The next prime is 1520051483. The reversal of 1520051453 is 3541500251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1470108964 + 49942489 = 38342^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1520051453 - 2⁶ = 1520051389 is a prime.

It is a super-2 number, since 2×1520051453² = 4621112839534822418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520051483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760025726 + 760025727.

It is an arithmetic number, because the mean of its divisors is an integer number (760025727).

Almost surely, 2^1520051453 is an apocalyptic number.

It is an amenable number.

1520051453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520051453 is an equidigital number, since it uses as much as digits as its factorization.

1520051453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1520051453 is about 38987.8372444536. The cubic root of 1520051453 is about 1149.7923892391.

The spelling of 1520051453 in words is "one billion, five hundred twenty million, fifty-one thousand, four hundred fifty-three".