1542251404 has 12 divisors (see below), whose sum is σ = 2714541984. Its totient is φ = 766667984.

The previous prime is 1542251401. The next prime is 1542251411. The reversal of 1542251404 is 4041522451.

It is not an unprimeable number, because it can be changed into a prime (1542251401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113652 + ... + 1115035.

It is an arithmetic number, because the mean of its divisors is an integer number (226211832).

Almost surely, 2^1542251404 is an apocalyptic number.

It is an amenable number.

1542251404 is a deficient number, since it is larger than the sum of its proper divisors (1172290580).

1542251404 is a wasteful number, since it uses less digits than its factorization.

1542251404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228864 (or 2228862 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1542251404 is about 39271.5088072766. The cubic root of 1542251404 is about 1155.3628299820.

Adding to 1542251404 its reverse (4041522451), we get a palindrome (5583773855).

The spelling of 1542251404 in words is "one billion, five hundred forty-two million, two hundred fifty-one thousand, four hundred four".