1351623441 has 16 divisors (see below), whose sum is σ = 2063332224. Its totient is φ = 770962944.

The previous prime is 1351623419. The next prime is 1351623443. The reversal of 1351623441 is 1443261531.

It is not a de Polignac number, because 1351623441 - 2⁵ = 1351623409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351623399 and 1351623408.

It is not an unprimeable number, because it can be changed into a prime (1351623443) 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, 46080 + ... + 69473.

It is an arithmetic number, because the mean of its divisors is an integer number (128958264).

Almost surely, 2^1351623441 is an apocalyptic number.

It is an amenable number.

1351623441 is a deficient number, since it is larger than the sum of its proper divisors (711708783).

1351623441 is a wasteful number, since it uses less digits than its factorization.

1351623441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116120.

The product of its digits is 8640, while the sum is 30.

The square root of 1351623441 is about 36764.4317377544. The cubic root of 1351623441 is about 1105.6522949237.

Adding to 1351623441 its reverse (1443261531), we get a palindrome (2794884972).

The spelling of 1351623441 in words is "one billion, three hundred fifty-one million, six hundred twenty-three thousand, four hundred forty-one".