2521772 has 24 divisors (see below), whose sum is σ = 4947600. Its totient is φ = 1114560.

The previous prime is 2521769. The next prime is 2521807. The reversal of 2521772 is 2771252.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (206150).

2^2521772 is an apocalyptic number.

2521772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2521772 is a deficient number, since it is larger than the sum of its proper divisors (2425828).

2521772 is a wasteful number, since it uses less digits than its factorization.

2521772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1599 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 2521772 is about 1588.0088160964. The cubic root of 2521772 is about 136.1137312776.

The spelling of 2521772 in words is "two million, five hundred twenty-one thousand, seven hundred seventy-two".