1053215404 has 6 divisors (see below), whose sum is σ = 1843126964. Its totient is φ = 526607700.

The previous prime is 1053215381. The next prime is 1053215407. The reversal of 1053215404 is 4045123501.

It is a happy number.

It is a super-2 number, since 2×1053215404² = 2218525374445766432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053215407) 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, 131651922 + ... + 131651929.

Almost surely, 2^1053215404 is an apocalyptic number.

It is an amenable number.

1053215404 is a deficient number, since it is larger than the sum of its proper divisors (789911560).

1053215404 is a wasteful number, since it uses less digits than its factorization.

1053215404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263303855 (or 263303853 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1053215404 is about 32453.2803272643. The cubic root of 1053215404 is about 1017.4327995430.

Adding to 1053215404 its reverse (4045123501), we get a palindrome (5098338905).

The spelling of 1053215404 in words is "one billion, fifty-three million, two hundred fifteen thousand, four hundred four".