1253613670 has 32 divisors (see below), whose sum is σ = 2305052640. Its totient is φ = 490763520.

The previous prime is 1253613607. The next prime is 1253613679. The reversal of 1253613670 is 763163521.

It is a super-2 number, since 2×1253613670² = 3143094467221737800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253613679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89076 + ... + 102184.

It is an arithmetic number, because the mean of its divisors is an integer number (72032895).

Almost surely, 2^1253613670 is an apocalyptic number.

1253613670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253613670 is a deficient number, since it is larger than the sum of its proper divisors (1051438970).

1253613670 is a wasteful number, since it uses less digits than its factorization.

1253613670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1253613670 is about 35406.4071885302. The cubic root of 1253613670 is about 1078.2544017696.

The spelling of 1253613670 in words is "one billion, two hundred fifty-three million, six hundred thirteen thousand, six hundred seventy".