1351995 has 16 divisors (see below), whose sum is σ = 2179872. Its totient is φ = 715520.

The previous prime is 1351991. The next prime is 1351997. The reversal of 1351995 is 5991531.

It is not a de Polignac number, because 1351995 - 2² = 1351991 is a prime.

1351995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1351991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (136242).

2^1351995 is an apocalyptic number.

1351995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1351995 is a deficient number, since it is larger than the sum of its proper divisors (827877).

1351995 is a wasteful number, since it uses less digits than its factorization.

1351995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its digits is 6075, while the sum is 33.

The square root of 1351995 is about 1162.7531982325. The cubic root of 1351995 is about 110.5753599624.

It can be divided in two parts, 1351 and 995, that added together give a triangular number (2346 = T₆₈).

The spelling of 1351995 in words is "one million, three hundred fifty-one thousand, nine hundred ninety-five".