253521010 has 32 divisors (see below), whose sum is σ = 463905792. Its totient is φ = 99738240.

The previous prime is 253521001. The next prime is 253521011. The reversal of 253521010 is 10125352.

It is a super-2 number, since 2×253521010² = 128545805022840200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253521011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232687 + ... + 233773.

It is an arithmetic number, because the mean of its divisors is an integer number (14497056).

Almost surely, 2^253521010 is an apocalyptic number.

253521010 is a deficient number, since it is larger than the sum of its proper divisors (210384782).

253521010 is a wasteful number, since it uses less digits than its factorization.

253521010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 253521010 is about 15922.3431064652. The cubic root of 253521010 is about 632.9042113099.

Adding to 253521010 its reverse (10125352), we get a palindrome (263646362).

It can be divided in two parts, 25352 and 1010, that added together give a palindrome (26362).

The spelling of 253521010 in words is "two hundred fifty-three million, five hundred twenty-one thousand, ten".