2251352434 has 4 divisors (see below), whose sum is σ = 3377028654. Its totient is φ = 1125676216.

The previous prime is 2251352417. The next prime is 2251352489. The reversal of 2251352434 is 4342531522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2234925625 + 16426809 = 47275^2 + 4053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2251352396 and 2251352405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562838107 + ... + 562838110.

Almost surely, 2^2251352434 is an apocalyptic number.

2251352434 is a deficient number, since it is larger than the sum of its proper divisors (1125676220).

2251352434 is a wasteful number, since it uses less digits than its factorization.

2251352434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125676219.

The product of its digits is 28800, while the sum is 31.

The square root of 2251352434 is about 47448.4186670114. The cubic root of 2251352434 is about 1310.6331911674.

Adding to 2251352434 its reverse (4342531522), we get a palindrome (6593883956).

It can be divided in two parts, 22513 and 52434, that added together give a palindrome (74947).

The spelling of 2251352434 in words is "two billion, two hundred fifty-one million, three hundred fifty-two thousand, four hundred thirty-four".