2651522 has 4 divisors (see below), whose sum is σ = 3977286. Its totient is φ = 1325760.

The previous prime is 2651513. The next prime is 2651549. The reversal of 2651522 is 2251562.

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

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 546121 = 1451^2 + 739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662879 + ... + 662882.

2^2651522 is an apocalyptic number.

2651522 is a deficient number, since it is larger than the sum of its proper divisors (1325764).

2651522 is a wasteful number, since it uses less digits than its factorization.

2651522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325763.

The product of its digits is 1200, while the sum is 23.

The square root of 2651522 is about 1628.3494710903. The cubic root of 2651522 is about 138.4092381930.

The spelling of 2651522 in words is "two million, six hundred fifty-one thousand, five hundred twenty-two".