2150523 has 16 divisors (see below), whose sum is σ = 3325440. Its totient is φ = 1370952.

The previous prime is 2150513. The next prime is 2150527. The reversal of 2150523 is 3250512.

It is a happy number.

It is not a de Polignac number, because 2150523 - 2⁹ = 2150011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150496 and 2150505.

It is not an unprimeable number, because it can be changed into a prime (2150527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (207840).

2^2150523 is an apocalyptic number.

2150523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2150523 is a deficient number, since it is larger than the sum of its proper divisors (1174917).

2150523 is a wasteful number, since it uses less digits than its factorization.

2150523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3489 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2150523 is about 1466.4661605370. The cubic root of 2150523 is about 129.0767525939.

It can be divided in two parts, 21505 and 23, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 2150523 in words is "two million, one hundred fifty thousand, five hundred twenty-three".