3451247551 has 4 divisors (see below), whose sum is σ = 3471913872. Its totient is φ = 3430581232.

The previous prime is 3451247521. The next prime is 3451247563. The reversal of 3451247551 is 1557421543.

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

It is a cyclic number.

It is not a de Polignac number, because 3451247551 - 2¹¹ = 3451245503 is a prime.

It is a super-2 number, since 2×3451247551² = 23822219316566995202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3451247551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451247521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332910 + ... + 10333243.

It is an arithmetic number, because the mean of its divisors is an integer number (867978468).

Almost surely, 2^3451247551 is an apocalyptic number.

3451247551 is a deficient number, since it is larger than the sum of its proper divisors (20666321).

3451247551 is a wasteful number, since it uses less digits than its factorization.

3451247551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666320.

The product of its digits is 84000, while the sum is 37.

The square root of 3451247551 is about 58747.3195218301. The cubic root of 3451247551 is about 1511.2119199133.

The spelling of 3451247551 in words is "three billion, four hundred fifty-one million, two hundred forty-seven thousand, five hundred fifty-one".