1351150523 has 4 divisors (see below), whose sum is σ = 1353406800. Its totient is φ = 1348894248.

The previous prime is 1351150511. The next prime is 1351150529. The reversal of 1351150523 is 3250511531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250511531 = 37 ⋅87851663.

It is a cyclic number.

It is not a de Polignac number, because 1351150523 - 2²⁶ = 1284041659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351150492 and 1351150501.

It is not an unprimeable number, because it can be changed into a prime (1351150529) 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, 1127240 + ... + 1128437.

It is an arithmetic number, because the mean of its divisors is an integer number (338351700).

Almost surely, 2^1351150523 is an apocalyptic number.

1351150523 is a deficient number, since it is larger than the sum of its proper divisors (2256277).

1351150523 is an equidigital number, since it uses as much as digits as its factorization.

1351150523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256276.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1351150523 is about 36757.9994422983. Note that the first 3 decimals coincide. The cubic root of 1351150523 is about 1105.5233280700.

The spelling of 1351150523 in words is "one billion, three hundred fifty-one million, one hundred fifty thousand, five hundred twenty-three".