1295263530 has 96 divisors (see below), whose sum is σ = 3693418560. Its totient is φ = 312330240.

The previous prime is 1295263493. The next prime is 1295263537. The reversal of 1295263530 is 353625921.

1295263530 is a `hidden beast` number, since 12 + 9 + 5 + 2 + 635 + 3 + 0 = 666.

It is a super-2 number, since 2×1295263530² = 3355415224296121800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1295263537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187681 + ... + 194459.

It is an arithmetic number, because the mean of its divisors is an integer number (38473110).

Almost surely, 2^1295263530 is an apocalyptic number.

1295263530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295263530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846709280).

1295263530 is an abundant number, since it is smaller than the sum of its proper divisors (2398155030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1295263530 is a wasteful number, since it uses less digits than its factorization.

1295263530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1295263530 is about 35989.7697964297. The cubic root of 1295263530 is about 1090.0657957646.

The spelling of 1295263530 in words is "one billion, two hundred ninety-five million, two hundred sixty-three thousand, five hundred thirty".