365641253 has 4 divisors (see below), whose sum is σ = 387149580. Its totient is φ = 344132928.

The previous prime is 365641229. The next prime is 365641277. The reversal of 365641253 is 352146563.

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

It is an interprime number because it is at equal distance from previous prime (365641229) and next prime (365641277).

It can be written as a sum of positive squares in 2 ways, for example, as 141300769 + 224340484 = 11887^2 + 14978^2 .

It is a cyclic number.

It is not a de Polignac number, because 365641253 - 2¹⁴ = 365624869 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365641553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10754138 + ... + 10754171.

It is an arithmetic number, because the mean of its divisors is an integer number (96787395).

Almost surely, 2^365641253 is an apocalyptic number.

It is an amenable number.

365641253 is a deficient number, since it is larger than the sum of its proper divisors (21508327).

365641253 is a wasteful number, since it uses less digits than its factorization.

365641253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508326.

The product of its digits is 64800, while the sum is 35.

The square root of 365641253 is about 19121.7481679892. The cubic root of 365641253 is about 715.0752218446.

The spelling of 365641253 in words is "three hundred sixty-five million, six hundred forty-one thousand, two hundred fifty-three".