5312345477 has 2 divisors, whose sum is σ = 5312345478. Its totient is φ = 5312345476.

The previous prime is 5312345459. The next prime is 5312345497. The reversal of 5312345477 is 7745432135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4856138596 + 456206881 = 69686^2 + 21359^2 .

It is a cyclic number.

It is not a de Polignac number, because 5312345477 - 2¹⁴ = 5312329093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312345497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656172738 + 2656172739.

It is an arithmetic number, because the mean of its divisors is an integer number (2656172739).

Almost surely, 2^5312345477 is an apocalyptic number.

It is an amenable number.

5312345477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312345477 is an equidigital number, since it uses as much as digits as its factorization.

5312345477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 5312345477 is about 72885.8386588232. The cubic root of 5312345477 is about 1744.8660939439.

The spelling of 5312345477 in words is "five billion, three hundred twelve million, three hundred forty-five thousand, four hundred seventy-seven".