1253600061 has 16 divisors (see below), whose sum is σ = 1910757888. Its totient is φ = 716151600.

The previous prime is 1253600021. The next prime is 1253600063. The reversal of 1253600061 is 1600063521.

It is not a de Polignac number, because 1253600061 - 2¹⁴ = 1253583677 is a prime.

It is a super-2 number, since 2×1253600061² = 3143026225878407442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253600063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121266 + ... + 131196.

It is an arithmetic number, because the mean of its divisors is an integer number (119422368).

Almost surely, 2^1253600061 is an apocalyptic number.

It is an amenable number.

1253600061 is a deficient number, since it is larger than the sum of its proper divisors (657157827).

1253600061 is an equidigital number, since it uses as much as digits as its factorization.

1253600061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1253600061 is about 35406.2150052784. The cubic root of 1253600061 is about 1078.2504999782.

Adding to 1253600061 its reverse (1600063521), we get a palindrome (2853663582).

The spelling of 1253600061 in words is "one billion, two hundred fifty-three million, six hundred thousand, sixty-one".