1349525501 has 4 divisors (see below), whose sum is σ = 1428909372. Its totient is φ = 1270141632.

The previous prime is 1349525473. The next prime is 1349525533. The reversal of 1349525501 is 1055259431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 939422500 + 410103001 = 30650^2 + 20251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349525501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349525561) 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, 39691910 + ... + 39691943.

It is an arithmetic number, because the mean of its divisors is an integer number (357227343).

Almost surely, 2^1349525501 is an apocalyptic number.

It is an amenable number.

1349525501 is a deficient number, since it is larger than the sum of its proper divisors (79383871).

1349525501 is an equidigital number, since it uses as much as digits as its factorization.

1349525501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79383870.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1349525501 is about 36735.8884607409. Note that the first 3 decimals coincide. The cubic root of 1349525501 is about 1105.0799478065.

The spelling of 1349525501 in words is "one billion, three hundred forty-nine million, five hundred twenty-five thousand, five hundred one".