253464424061 has 4 divisors (see below), whose sum is σ = 253488738300. Its totient is φ = 253440109824.

The previous prime is 253464424013. The next prime is 253464424063. The reversal of 253464424061 is 160424464352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 223303502500 + 30160921561 = 472550^2 + 173669^2 .

It is a cyclic number.

It is not a de Polignac number, because 253464424061 - 2³⁰ = 252390682237 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 (253464424063) 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, 12141476 + ... + 12162333.

It is an arithmetic number, because the mean of its divisors is an integer number (63372184575).

Almost surely, 2^253464424061 is an apocalyptic number.

It is an amenable number.

253464424061 is a deficient number, since it is larger than the sum of its proper divisors (24314239).

253464424061 is a wasteful number, since it uses less digits than its factorization.

253464424061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24314238.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 253464424061 in words is "two hundred fifty-three billion, four hundred sixty-four million, four hundred twenty-four thousand, sixty-one".