1525474 has 4 divisors (see below), whose sum is σ = 2288214. Its totient is φ = 762736.

The previous prime is 1525471. The next prime is 1525477. The reversal of 1525474 is 4745251.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1525471) and next prime (1525477).

It can be written as a sum of positive squares in only one way, i.e., 874225 + 651249 = 935^2 + 807^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381367 + ... + 381370.

2^1525474 is an apocalyptic number.

1525474 is a deficient number, since it is larger than the sum of its proper divisors (762740).

1525474 is an equidigital number, since it uses as much as digits as its factorization.

1525474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762739.

The product of its digits is 5600, while the sum is 28.

The square root of 1525474 is about 1235.1008056025. The cubic root of 1525474 is about 115.1158001791.

The spelling of 1525474 in words is "one million, five hundred twenty-five thousand, four hundred seventy-four".