5251405430 has 16 divisors (see below), whose sum is σ = 9453752784. Its totient is φ = 2100290400.

The previous prime is 5251405403. The next prime is 5251405441. The reversal of 5251405430 is 345041525.

It is a junction number, because it is equal to n+sod(n) for n = 5251405393 and 5251405402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59405 + ... + 118455.

It is an arithmetic number, because the mean of its divisors is an integer number (590859549).

Almost surely, 2^5251405430 is an apocalyptic number.

5251405430 is a deficient number, since it is larger than the sum of its proper divisors (4202347354).

5251405430 is a wasteful number, since it uses less digits than its factorization.

5251405430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67951.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5251405430 is about 72466.5814703578. The cubic root of 5251405430 is about 1738.1683978800.

Adding to 5251405430 its reverse (345041525), we get a palindrome (5596446955).

The spelling of 5251405430 in words is "five billion, two hundred fifty-one million, four hundred five thousand, four hundred thirty".