2651523 has 16 divisors (see below), whose sum is σ = 4171776. Its totient is φ = 1465920.

The previous prime is 2651513. The next prime is 2651549. The reversal of 2651523 is 3251562.

It is not a de Polignac number, because 2651523 - 2⁵ = 2651491 is a prime.

2651523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2651493 and 2651502.

It is not an unprimeable number, because it can be changed into a prime (2651503) 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, 1386 + ... + 2687.

It is an arithmetic number, because the mean of its divisors is an integer number (260736).

2^2651523 is an apocalyptic number.

2651523 is a deficient number, since it is larger than the sum of its proper divisors (1520253).

2651523 is a wasteful number, since it uses less digits than its factorization.

2651523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114.

The product of its digits is 1800, while the sum is 24.

The square root of 2651523 is about 1628.3497781496. The cubic root of 2651523 is about 138.4092555929.

The spelling of 2651523 in words is "two million, six hundred fifty-one thousand, five hundred twenty-three".