1010521345 has 8 divisors (see below), whose sum is σ = 1229705280. Its totient is φ = 797030640.

The previous prime is 1010521313. The next prime is 1010521357. The reversal of 1010521345 is 5431250101.

It is a happy number.

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

It is not a de Polignac number, because 1010521345 - 2⁵ = 1010521313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422915 + ... + 1423624.

It is an arithmetic number, because the mean of its divisors is an integer number (153713160).

Almost surely, 2^1010521345 is an apocalyptic number.

It is an amenable number.

1010521345 is a deficient number, since it is larger than the sum of its proper divisors (219183935).

1010521345 is an equidigital number, since it uses as much as digits as its factorization.

1010521345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846615.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1010521345 is about 31788.6983848034. The cubic root of 1010521345 is about 1003.4948865390.

Adding to 1010521345 its reverse (5431250101), we get a palindrome (6441771446).

The spelling of 1010521345 in words is "one billion, ten million, five hundred twenty-one thousand, three hundred forty-five".