1353245531 has 24 divisors (see below), whose sum is σ = 1609608000. Its totient is φ = 1125139680.

The previous prime is 1353245527. The next prime is 1353245539. The reversal of 1353245531 is 1355423531.

It is not a de Polignac number, because 1353245531 - 2² = 1353245527 is a prime.

It is a super-2 number, since 2×1353245531² = 3662546934342943922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1353245539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171920 + ... + 179618.

It is an arithmetic number, because the mean of its divisors is an integer number (67067000).

Almost surely, 2^1353245531 is an apocalyptic number.

1353245531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1353245531 is a deficient number, since it is larger than the sum of its proper divisors (256362469).

1353245531 is a wasteful number, since it uses less digits than its factorization.

1353245531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7758 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 1353245531 is about 36786.4857114675. The cubic root of 1353245531 is about 1106.0944177085.

The spelling of 1353245531 in words is "one billion, three hundred fifty-three million, two hundred forty-five thousand, five hundred thirty-one".