253153346 has 4 divisors (see below), whose sum is σ = 379730022. Its totient is φ = 126576672.

The previous prime is 253153343. The next prime is 253153357. The reversal of 253153346 is 643351352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144264121 + 108889225 = 12011^2 + 10435^2 .

It is not an unprimeable number, because it can be changed into a prime (253153343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63288335 + ... + 63288338.

Almost surely, 2^253153346 is an apocalyptic number.

253153346 is a deficient number, since it is larger than the sum of its proper divisors (126576676).

253153346 is a wasteful number, since it uses less digits than its factorization.

253153346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126576675.

The product of its digits is 32400, while the sum is 32.

The square root of 253153346 is about 15910.7933805955. The cubic root of 253153346 is about 632.5981108775.

The spelling of 253153346 in words is "two hundred fifty-three million, one hundred fifty-three thousand, three hundred forty-six".