1025573135 has 16 divisors (see below), whose sum is σ = 1263309696. Its totient is φ = 798889728.

The previous prime is 1025573123. The next prime is 1025573137. The reversal of 1025573135 is 5313755201.

It is a cyclic number.

It is not a de Polignac number, because 1025573135 - 2¹⁰ = 1025572111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025573137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35219 + ... + 57371.

It is an arithmetic number, because the mean of its divisors is an integer number (78956856).

Almost surely, 2^1025573135 is an apocalyptic number.

1025573135 is a deficient number, since it is larger than the sum of its proper divisors (237736561).

1025573135 is a wasteful number, since it uses less digits than its factorization.

1025573135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22402.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 1025573135 is about 32024.5708011833. The cubic root of 1025573135 is about 1008.4527284039.

The spelling of 1025573135 in words is "one billion, twenty-five million, five hundred seventy-three thousand, one hundred thirty-five".