253546942 has 64 divisors (see below), whose sum is σ = 461039040. Its totient is φ = 103219200.

The previous prime is 253546933. The next prime is 253546949. The reversal of 253546942 is 249645352.

It is a junction number, because it is equal to n+sod(n) for n = 253546895 and 253546904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253546949) 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 31 ways as a sum of consecutive naturals, for example, 1051942 + ... + 1052182.

It is an arithmetic number, because the mean of its divisors is an integer number (7203735).

Almost surely, 2^253546942 is an apocalyptic number.

253546942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253546942 is a deficient number, since it is larger than the sum of its proper divisors (207492098).

253546942 is a wasteful number, since it uses less digits than its factorization.

253546942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 259200, while the sum is 40.

The square root of 253546942 is about 15923.1574130258. The cubic root of 253546942 is about 632.9257899455.

The spelling of 253546942 in words is "two hundred fifty-three million, five hundred forty-six thousand, nine hundred forty-two".