1052626521 has 8 divisors (see below), whose sum is σ = 1403711680. Its totient is φ = 701646192.

The previous prime is 1052626489. The next prime is 1052626529. The reversal of 1052626521 is 1256262501.

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

It is not a de Polignac number, because 1052626521 - 2⁵ = 1052626489 is a prime.

It is a super-2 number, since 2×1052626521² = 2216045185425126882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052626529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 45903.

It is an arithmetic number, because the mean of its divisors is an integer number (175463960).

Almost surely, 2^1052626521 is an apocalyptic number.

It is an amenable number.

1052626521 is a deficient number, since it is larger than the sum of its proper divisors (351085159).

1052626521 is an equidigital number, since it uses as much as digits as its factorization.

1052626521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52415.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1052626521 is about 32444.2062778549. The cubic root of 1052626521 is about 1017.2431388845.

The spelling of 1052626521 in words is "one billion, fifty-two million, six hundred twenty-six thousand, five hundred twenty-one".