2251555723 has 8 divisors (see below), whose sum is σ = 2305567088. Its totient is φ = 2197619424.

The previous prime is 2251555693. The next prime is 2251555741. The reversal of 2251555723 is 3275551522.

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

It is a cyclic number.

It is not a de Polignac number, because 2251555723 - 2⁹ = 2251555211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251550723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44461 + ... + 80497.

It is an arithmetic number, because the mean of its divisors is an integer number (288195886).

Almost surely, 2^2251555723 is an apocalyptic number.

2251555723 is a deficient number, since it is larger than the sum of its proper divisors (54011365).

2251555723 is a wasteful number, since it uses less digits than its factorization.

2251555723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37533.

The product of its digits is 105000, while the sum is 37.

The square root of 2251555723 is about 47450.5608291409. The cubic root of 2251555723 is about 1310.6726384625.

The spelling of 2251555723 in words is "two billion, two hundred fifty-one million, five hundred fifty-five thousand, seven hundred twenty-three".