251413426 has 8 divisors (see below), whose sum is σ = 411403824. Its totient is φ = 114278820.

The previous prime is 251413417. The next prime is 251413439. The reversal of 251413426 is 624314152.

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

It is a junction number, because it is equal to n+sod(n) for n = 251413394 and 251413403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713920 + ... + 5713963.

It is an arithmetic number, because the mean of its divisors is an integer number (51425478).

Almost surely, 2^251413426 is an apocalyptic number.

251413426 is a deficient number, since it is larger than the sum of its proper divisors (159990398).

251413426 is a wasteful number, since it uses less digits than its factorization.

251413426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427896.

The product of its digits is 5760, while the sum is 28.

The square root of 251413426 is about 15856.0217583100. The cubic root of 251413426 is about 631.1454980295.

Adding to 251413426 its reverse (624314152), we get a palindrome (875727578).

The spelling of 251413426 in words is "two hundred fifty-one million, four hundred thirteen thousand, four hundred twenty-six".