1352725919 has 4 divisors (see below), whose sum is σ = 1423922040. Its totient is φ = 1281529800.

The previous prime is 1352725879. The next prime is 1352725931. The reversal of 1352725919 is 9195272531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352725919 is a prime.

It is a super-2 number, since 2×1352725919² = 3659734823868789122, 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 1352725919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352725939) 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, 35598032 + ... + 35598069.

It is an arithmetic number, because the mean of its divisors is an integer number (355980510).

Almost surely, 2^1352725919 is an apocalyptic number.

1352725919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1352725919 is a deficient number, since it is larger than the sum of its proper divisors (71196121).

1352725919 is an equidigital number, since it uses as much as digits as its factorization.

1352725919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71196120.

The product of its digits is 170100, while the sum is 44.

The square root of 1352725919 is about 36779.4224941067. The cubic root of 1352725919 is about 1105.9528288401.

The spelling of 1352725919 in words is "one billion, three hundred fifty-two million, seven hundred twenty-five thousand, nine hundred nineteen".