1025613 has 6 divisors (see below), whose sum is σ = 1481454. Its totient is φ = 683736.

The previous prime is 1025611. The next prime is 1025621. The reversal of 1025613 is 3165201.

1025613 is a `hidden beast` number, since 102 + 561 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 21609 = 1002^2 + 147^2 .

It is not a de Polignac number, because 1025613 - 2¹ = 1025611 is a prime.

1025613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56970 + ... + 56987.

It is an arithmetic number, because the mean of its divisors is an integer number (246909).

2^1025613 is an apocalyptic number.

It is an amenable number.

1025613 is a deficient number, since it is larger than the sum of its proper divisors (455841).

1025613 is a wasteful number, since it uses less digits than its factorization.

1025613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113963 (or 113960 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1025613 is about 1012.7255304375. The cubic root of 1025613 is about 100.8465794739.

The spelling of 1025613 in words is "one million, twenty-five thousand, six hundred thirteen".