1351523013 has 16 divisors (see below), whose sum is σ = 1856120640. Its totient is φ = 874112256.

The previous prime is 1351523009. The next prime is 1351523021. The reversal of 1351523013 is 3103251531.

It is not a de Polignac number, because 1351523013 - 2² = 1351523009 is a prime.

It is a super-2 number, since 2×1351523013² = 3653228909337196338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351523003) 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, 20973 + ... + 56061.

It is an arithmetic number, because the mean of its divisors is an integer number (116007540).

Almost surely, 2^1351523013 is an apocalyptic number.

It is an amenable number.

1351523013 is a deficient number, since it is larger than the sum of its proper divisors (504597627).

1351523013 is a wasteful number, since it uses less digits than its factorization.

1351523013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35476.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1351523013 is about 36763.0658813979. The cubic root of 1351523013 is about 1105.6249102751.

Adding to 1351523013 its reverse (3103251531), we get a palindrome (4454774544).

The spelling of 1351523013 in words is "one billion, three hundred fifty-one million, five hundred twenty-three thousand, thirteen".