1542412651 has 16 divisors (see below), whose sum is σ = 1672017984. Its totient is φ = 1414410624.

The previous prime is 1542412649. The next prime is 1542412679. The reversal of 1542412651 is 1562142451.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1542412651 - 2¹ = 1542412649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542412051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121250 + ... + 2121976.

It is an arithmetic number, because the mean of its divisors is an integer number (104501124).

Almost surely, 2^1542412651 is an apocalyptic number.

1542412651 is a deficient number, since it is larger than the sum of its proper divisors (129605333).

1542412651 is a wasteful number, since it uses less digits than its factorization.

1542412651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590.

The product of its digits is 9600, while the sum is 31.

The square root of 1542412651 is about 39273.5617305077. The cubic root of 1542412651 is about 1155.4030941260.

The spelling of 1542412651 in words is "one billion, five hundred forty-two million, four hundred twelve thousand, six hundred fifty-one".