2451572 has 12 divisors (see below), whose sum is σ = 4301220. Its totient is φ = 1222656.

The previous prime is 2451557. The next prime is 2451577. The reversal of 2451572 is 2751542.

It can be written as a sum of positive squares in 2 ways, for example, as 1073296 + 1378276 = 1036^2 + 1174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451577) 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, 2678 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (358435).

2^2451572 is an apocalyptic number.

It is an amenable number.

2451572 is a deficient number, since it is larger than the sum of its proper divisors (1849648).

2451572 is a wasteful number, since it uses less digits than its factorization.

2451572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1568 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 2451572 is about 1565.7496607057. The cubic root of 2451572 is about 134.8388016516.

The spelling of 2451572 in words is "two million, four hundred fifty-one thousand, five hundred seventy-two".