1504138451 has 2 divisors, whose sum is σ = 1504138452. Its totient is φ = 1504138450.

The previous prime is 1504138411. The next prime is 1504138457. The reversal of 1504138451 is 1548314051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1504138451 - 2¹⁸ = 1503876307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1504138457) 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, 752069225 + 752069226.

It is an arithmetic number, because the mean of its divisors is an integer number (752069226).

Almost surely, 2^1504138451 is an apocalyptic number.

1504138451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504138451 is an equidigital number, since it uses as much as digits as its factorization.

1504138451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1504138451 is about 38783.2238345396. The cubic root of 1504138451 is about 1145.7660189404.

The spelling of 1504138451 in words is "one billion, five hundred four million, one hundred thirty-eight thousand, four hundred fifty-one".