5420501257 has 2 divisors, whose sum is σ = 5420501258. Its totient is φ = 5420501256.

The previous prime is 5420501213. The next prime is 5420501263. The reversal of 5420501257 is 7521050245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3624521616 + 1795979641 = 60204^2 + 42379^2 .

It is a cyclic number.

It is not a de Polignac number, because 5420501257 - 2³¹ = 3273017609 is a prime.

It is not a weakly prime, because it can be changed into another prime (5420501857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710250628 + 2710250629.

It is an arithmetic number, because the mean of its divisors is an integer number (2710250629).

Almost surely, 2^5420501257 is an apocalyptic number.

It is an amenable number.

5420501257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420501257 is an equidigital number, since it uses as much as digits as its factorization.

5420501257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 5420501257 is about 73624.0535219299. The cubic root of 5420501257 is about 1756.6280627956.

The spelling of 5420501257 in words is "five billion, four hundred twenty million, five hundred one thousand, two hundred fifty-seven".