1315253750 has 20 divisors (see below), whose sum is σ = 2465313972. Its totient is φ = 526101000.

The previous prime is 1315253747. The next prime is 1315253759. The reversal of 1315253750 is 573525131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315253759) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 524852 + ... + 527351.

Almost surely, 2^1315253750 is an apocalyptic number.

1315253750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315253750 is a deficient number, since it is larger than the sum of its proper divisors (1150060222).

1315253750 is an equidigital number, since it uses as much as digits as its factorization.

1315253750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052225 (or 1052210 counting only the distinct ones).

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

The square root of 1315253750 is about 36266.4273123229. The cubic root of 1315253750 is about 1095.6449707647.

Adding to 1315253750 its reverse (573525131), we get a palindrome (1888778881).

The spelling of 1315253750 in words is "one billion, three hundred fifteen million, two hundred fifty-three thousand, seven hundred fifty".