1525463 has 4 divisors (see below), whose sum is σ = 1527960. Its totient is φ = 1522968.

The previous prime is 1525423. The next prime is 1525471. The reversal of 1525463 is 3645251.

1525463 is nontrivially palindromic in base 3.

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 1525463 - 2⁸ = 1525207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525423) 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, 356 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (381990).

2^1525463 is an apocalyptic number.

1525463 is a deficient number, since it is larger than the sum of its proper divisors (2497).

1525463 is a wasteful number, since it uses less digits than its factorization.

1525463 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 3600, while the sum is 26.

The square root of 1525463 is about 1235.0963525167. The cubic root of 1525463 is about 115.1155234833.

The spelling of 1525463 in words is "one million, five hundred twenty-five thousand, four hundred sixty-three".