2251500535 has 4 divisors (see below), whose sum is σ = 2701800648. Its totient is φ = 1801200424.

The previous prime is 2251500523. The next prime is 2251500539. The reversal of 2251500535 is 5350051522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251500535 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251500539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225150049 + ... + 225150058.

It is an arithmetic number, because the mean of its divisors is an integer number (675450162).

Almost surely, 2^2251500535 is an apocalyptic number.

2251500535 is a deficient number, since it is larger than the sum of its proper divisors (450300113).

2251500535 is an equidigital number, since it uses as much as digits as its factorization.

2251500535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450300112.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2251500535 is about 47449.9792939892. The cubic root of 2251500535 is about 1310.6619297199.

The spelling of 2251500535 in words is "two billion, two hundred fifty-one million, five hundred thousand, five hundred thirty-five".