1025534 has 4 divisors (see below), whose sum is σ = 1538304. Its totient is φ = 512766.

The previous prime is 1025513. The next prime is 1025537. The reversal of 1025534 is 4355201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4355201 = 67 ⋅65003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256382 + ... + 256385.

It is an arithmetic number, because the mean of its divisors is an integer number (384576).

2^1025534 is an apocalyptic number.

1025534 is a deficient number, since it is larger than the sum of its proper divisors (512770).

1025534 is an equidigital number, since it uses as much as digits as its factorization.

1025534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512769.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1025534 is about 1012.6865260287. The cubic root of 1025534 is about 100.8439901008.

The spelling of 1025534 in words is "one million, twenty-five thousand, five hundred thirty-four".