1025867264 has 20 divisors (see below), whose sum is σ = 2049731904. Its totient is φ = 512933376.

The previous prime is 1025867251. The next prime is 1025867287. The reversal of 1025867264 is 4627685201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001312 + ... + 1002335.

Almost surely, 2^1025867264 is an apocalyptic number.

It is an amenable number.

1025867264 is a deficient number, since it is larger than the sum of its proper divisors (1023864640).

1025867264 is an frugal number, since it uses more digits than its factorization.

1025867264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003665 (or 2003649 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1025867264 is about 32029.1627115040. The cubic root of 1025867264 is about 1008.5491255082.

The spelling of 1025867264 in words is "one billion, twenty-five million, eight hundred sixty-seven thousand, two hundred sixty-four".