1354521 has 16 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 758784.

The previous prime is 1354501. The next prime is 1354523. The reversal of 1354521 is 1254531.

It is not a de Polignac number, because 1354521 - 2⁷ = 1354393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1354523) 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, 505 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (131544).

2^1354521 is an apocalyptic number.

It is an amenable number.

1354521 is a deficient number, since it is larger than the sum of its proper divisors (750183).

1354521 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 1354521 = (5125431)₈.

1354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its digits is 600, while the sum is 21.

The square root of 1354521 is about 1163.8389063784. The cubic root of 1354521 is about 110.6441816143.

It can be divided in two parts, 135 and 4521, that added together give a triangular number (4656 = T₉₆).

The spelling of 1354521 in words is "one million, three hundred fifty-four thousand, five hundred twenty-one".