1413052421 has 4 divisors (see below), whose sum is σ = 1541511744. Its totient is φ = 1284593100.

The previous prime is 1413052411. The next prime is 1413052469. The reversal of 1413052421 is 1242503141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1413052421 - 2³⁰ = 339310597 is a prime.

It is a super-2 number, since 2×1413052421² = 3993434288987922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413052411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64229645 + ... + 64229666.

It is an arithmetic number, because the mean of its divisors is an integer number (385377936).

Almost surely, 2^1413052421 is an apocalyptic number.

1413052421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1413052421 is a deficient number, since it is larger than the sum of its proper divisors (128459323).

1413052421 is a wasteful number, since it uses less digits than its factorization.

1413052421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128459322.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1413052421 is about 37590.5895271676. The cubic root of 1413052421 is about 1122.1547646893.

Adding to 1413052421 its reverse (1242503141), we get a palindrome (2655555562).

The spelling of 1413052421 in words is "one billion, four hundred thirteen million, fifty-two thousand, four hundred twenty-one".