5415513421 has 8 divisors (see below), whose sum is σ = 5748379704. Its totient is φ = 5084236800.

The previous prime is 5415513419. The next prime is 5415513431. The reversal of 5415513421 is 1243155145.

It can be written as a sum of positive squares in 4 ways, for example, as 2863748196 + 2551765225 = 53514^2 + 50515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5415513421 - 2¹ = 5415513419 is a prime.

It is a super-2 number, since 2×5415513421² = 58655571226062246482, 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 (5415513401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390390 + ... + 404023.

It is an arithmetic number, because the mean of its divisors is an integer number (718547463).

Almost surely, 2^5415513421 is an apocalyptic number.

It is an amenable number.

5415513421 is a deficient number, since it is larger than the sum of its proper divisors (332866283).

5415513421 is a wasteful number, since it uses less digits than its factorization.

5415513421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794831.

The product of its digits is 12000, while the sum is 31.

The square root of 5415513421 is about 73590.1720408371. The cubic root of 5415513421 is about 1756.0890928666.

Adding to 5415513421 its reverse (1243155145), we get a palindrome (6658668566).

It can be divided in two parts, 54155 and 13421, that added together give a palindrome (67576).

The spelling of 5415513421 in words is "five billion, four hundred fifteen million, five hundred thirteen thousand, four hundred twenty-one".