1264525 has 6 divisors (see below), whose sum is σ = 1568042. Its totient is φ = 1011600.

The previous prime is 1264499. The next prime is 1264537. The reversal of 1264525 is 5254621.

It can be written as a sum of positive squares in 3 ways, for example, as 145161 + 1119364 = 381^2 + 1058^2 .

It is not a de Polignac number, because 1264525 - 2¹⁵ = 1231757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 50581 = 1264525 / (1 + 2 + 6 + 4 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1264525.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 25266 + ... + 25315.

2^1264525 is an apocalyptic number.

It is an amenable number.

1264525 is a deficient number, since it is larger than the sum of its proper divisors (303517).

1264525 is an equidigital number, since it uses as much as digits as its factorization.

1264525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50591 (or 50586 counting only the distinct ones).

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

The square root of 1264525 is about 1124.5110048372. The cubic root of 1264525 is about 108.1373709213.

The spelling of 1264525 in words is "one million, two hundred sixty-four thousand, five hundred twenty-five".