1025005363 has 4 divisors (see below), whose sum is σ = 1025270568. Its totient is φ = 1024740160.

The previous prime is 1025005349. The next prime is 1025005391. The reversal of 1025005363 is 3635005201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3635005201 = 593 ⋅6129857.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025005363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025005313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126718 + ... + 134563.

It is an arithmetic number, because the mean of its divisors is an integer number (256317642).

Almost surely, 2^1025005363 is an apocalyptic number.

1025005363 is a deficient number, since it is larger than the sum of its proper divisors (265205).

1025005363 is an equidigital number, since it uses as much as digits as its factorization.

1025005363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265204.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1025005363 is about 32015.7049430432. The cubic root of 1025005363 is about 1008.2665960854.

The spelling of 1025005363 in words is "one billion, twenty-five million, five thousand, three hundred sixty-three".