2251503551 has 8 divisors (see below), whose sum is σ = 2456534784. Its totient is φ = 2046530520.

The previous prime is 2251503517. The next prime is 2251503571. The reversal of 2251503551 is 1553051522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251503551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251503571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122570 + ... + 139736.

It is an arithmetic number, because the mean of its divisors is an integer number (307066848).

Almost surely, 2^2251503551 is an apocalyptic number.

2251503551 is a deficient number, since it is larger than the sum of its proper divisors (205031233).

2251503551 is a wasteful number, since it uses less digits than its factorization.

2251503551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29101.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2251503551 is about 47450.0110748143. The cubic root of 2251503551 is about 1310.6625149525.

The spelling of 2251503551 in words is "two billion, two hundred fifty-one million, five hundred three thousand, five hundred fifty-one".