1025512 has 8 divisors (see below), whose sum is σ = 1922850. Its totient is φ = 512752.

The previous prime is 1025509. The next prime is 1025513. The reversal of 1025512 is 2155201.

It can be written as a sum of positive squares in only one way, i.e., 527076 + 498436 = 726^2 + 706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1025513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64087 + ... + 64102.

2^1025512 is an apocalyptic number.

It is an amenable number.

1025512 is a deficient number, since it is larger than the sum of its proper divisors (897338).

1025512 is a wasteful number, since it uses less digits than its factorization.

1025512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128195 (or 128191 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1025512 is about 1012.6756637739. The cubic root of 1025512 is about 100.8432689858.

It can be divided in two parts, 1025 and 512, that multiplied together give a triangular number (524800 = T₁₀₂₄).

The spelling of 1025512 in words is "one million, twenty-five thousand, five hundred twelve".