1520245334 has 8 divisors (see below), whose sum is σ = 2302946208. Its totient is φ = 752596600.

The previous prime is 1520245333. The next prime is 1520245351. The reversal of 1520245334 is 4335420251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1520245334² = 4622291751097543112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1520245297 and 1520245306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520245333) 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, 3762782 + ... + 3763185.

It is an arithmetic number, because the mean of its divisors is an integer number (287868276).

Almost surely, 2^1520245334 is an apocalyptic number.

1520245334 is a deficient number, since it is larger than the sum of its proper divisors (782700874).

1520245334 is a wasteful number, since it uses less digits than its factorization.

1520245334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526070.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1520245334 is about 38990.3235944510. The cubic root of 1520245334 is about 1149.8412721066.

Adding to 1520245334 its reverse (4335420251), we get a palindrome (5855665585).

The spelling of 1520245334 in words is "one billion, five hundred twenty million, two hundred forty-five thousand, three hundred thirty-four".