1554479 has 4 divisors (see below), whose sum is σ = 1556976. Its totient is φ = 1551984.

The previous prime is 1554461. The next prime is 1554521. The reversal of 1554479 is 9744551.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1554479 - 2¹⁶ = 1488943 is a prime.

It is a super-2 number, since 2×1554479² = 4832809922882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (389244).

2^1554479 is an apocalyptic number.

1554479 is a deficient number, since it is larger than the sum of its proper divisors (2497).

1554479 is a wasteful number, since it uses less digits than its factorization.

1554479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 25200, while the sum is 35.

The square root of 1554479 is about 1246.7874718652. The cubic root of 1554479 is about 115.8408191195.

The spelling of 1554479 in words is "one million, five hundred fifty-four thousand, four hundred seventy-nine".