1542291451 has 2 divisors, whose sum is σ = 1542291452. Its totient is φ = 1542291450.

The previous prime is 1542291433. The next prime is 1542291463. The reversal of 1542291451 is 1541922451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1542291451 - 2¹⁹ = 1541767163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1542291481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771145725 + 771145726.

It is an arithmetic number, because the mean of its divisors is an integer number (771145726).

Almost surely, 2^1542291451 is an apocalyptic number.

1542291451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542291451 is an equidigital number, since it uses as much as digits as its factorization.

1542291451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 1542291451 is about 39272.0186774248. The cubic root of 1542291451 is about 1155.3728301706.

The spelling of 1542291451 in words is "one billion, five hundred forty-two million, two hundred ninety-one thousand, four hundred fifty-one".