1351572953 has 4 divisors (see below), whose sum is σ = 1351749120. Its totient is φ = 1351396788.

The previous prime is 1351572941. The next prime is 1351572967. The reversal of 1351572953 is 3592751531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1351572953 - 2⁸ = 1351572697 is a prime.

It is a super-2 number, since 2×1351572953² = 3653498894562280418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351572953.

It is not an unprimeable number, because it can be changed into a prime (1351572983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76025 + ... + 92102.

It is an arithmetic number, because the mean of its divisors is an integer number (337937280).

Almost surely, 2^1351572953 is an apocalyptic number.

It is an amenable number.

1351572953 is a deficient number, since it is larger than the sum of its proper divisors (176167).

1351572953 is an equidigital number, since it uses as much as digits as its factorization.

1351572953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176166.

The product of its digits is 141750, while the sum is 41.

The square root of 1351572953 is about 36763.7450894220. The cubic root of 1351572953 is about 1105.6385280548.

It can be divided in two parts, 13515 and 72953, that added together give a palindrome (86468).

The spelling of 1351572953 in words is "one billion, three hundred fifty-one million, five hundred seventy-two thousand, nine hundred fifty-three".