253364605 has 16 divisors (see below), whose sum is σ = 327975984. Its totient is φ = 186785280.

The previous prime is 253364603. The next prime is 253364633. The reversal of 253364605 is 506463352.

It can be written as a sum of positive squares in 8 ways, for example, as 4923961 + 248440644 = 2219^2 + 15762^2 .

It is not a de Polignac number, because 253364605 - 2¹ = 253364603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253364603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40017 + ... + 45913.

It is an arithmetic number, because the mean of its divisors is an integer number (20498499).

Almost surely, 2^253364605 is an apocalyptic number.

It is an amenable number.

253364605 is a deficient number, since it is larger than the sum of its proper divisors (74611379).

253364605 is a wasteful number, since it uses less digits than its factorization.

253364605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 253364605 is about 15917.4308542553. The cubic root of 253364605 is about 632.7740317682.

The spelling of 253364605 in words is "two hundred fifty-three million, three hundred sixty-four thousand, six hundred five".