10521274 has 8 divisors (see below), whose sum is σ = 15796980. Its totient is φ = 5255616.

The previous prime is 10521263. The next prime is 10521289. The reversal of 10521274 is 47212501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10517049 + 4225 = 3243^2 + 65^2 .

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

It is a super-2 number, since 2×10521274² = 221394413166152, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212 + ... + 4744.

Almost surely, 2^10521274 is an apocalyptic number.

10521274 is a deficient number, since it is larger than the sum of its proper divisors (5275706).

10521274 is a wasteful number, since it uses less digits than its factorization.

10521274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 10521274 is about 3243.6513376132. The cubic root of 10521274 is about 219.1237459424.

Adding to 10521274 its reverse (47212501), we get a palindrome (57733775).

It can be divided in two parts, 10 and 521274, that added together give a square (521284 = 722²).

The spelling of 10521274 in words is "ten million, five hundred twenty-one thousand, two hundred seventy-four".