1525264 has 20 divisors (see below), whose sum is σ = 3182956. Its totient is φ = 703872.

The previous prime is 1525261. The next prime is 1525267. The reversal of 1525264 is 4625251.

It is an interprime number because it is at equal distance from previous prime (1525261) and next prime (1525267).

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 1440000 = 292^2 + 1200^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1525261) 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, 3459 + ... + 3874.

2^1525264 is an apocalyptic number.

It is an amenable number.

1525264 is an abundant number, since it is smaller than the sum of its proper divisors (1657692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525264 is a wasteful number, since it uses less digits than its factorization.

1525264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7348 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 1525264 is about 1235.0157893728. The cubic root of 1525264 is about 115.1105175746.

The spelling of 1525264 in words is "one million, five hundred twenty-five thousand, two hundred sixty-four".