1025504363 has 4 divisors (see below), whose sum is σ = 1104389328. Its totient is φ = 946619400.

The previous prime is 1025504357. The next prime is 1025504387. The reversal of 1025504363 is 3634055201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1025504363 - 2¹⁸ = 1025242219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025504303) 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, 39442463 + ... + 39442488.

It is an arithmetic number, because the mean of its divisors is an integer number (276097332).

Almost surely, 2^1025504363 is an apocalyptic number.

1025504363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1025504363 is a deficient number, since it is larger than the sum of its proper divisors (78884965).

1025504363 is an equidigital number, since it uses as much as digits as its factorization.

1025504363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78884964.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1025504363 is about 32023.4970451386. The cubic root of 1025504363 is about 1008.4301865819.

Adding to 1025504363 its reverse (3634055201), we get a palindrome (4659559564).

The spelling of 1025504363 in words is "one billion, twenty-five million, five hundred four thousand, three hundred sixty-three".