1491572 has 12 divisors (see below), whose sum is σ = 2653476. Its totient is φ = 733440.

The previous prime is 1491571. The next prime is 1491577. The reversal of 1491572 is 2751941.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 1136356 = 596^2 + 1066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491571) 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, 2813 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (221123).

2^1491572 is an apocalyptic number.

It is an amenable number.

1491572 is a deficient number, since it is larger than the sum of its proper divisors (1161904).

1491572 is a wasteful number, since it uses less digits than its factorization.

1491572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178 (or 6176 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1491572 is about 1221.2993081141. The cubic root of 1491572 is about 114.2566292058.

The spelling of 1491572 in words is "one million, four hundred ninety-one thousand, five hundred seventy-two".