5245378537 has 4 divisors (see below), whose sum is σ = 5994718336. Its totient is φ = 4496038740.

The previous prime is 5245378513. The next prime is 5245378547. The reversal of 5245378537 is 7358735425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5245378537 - 2⁷ = 5245378409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5245378547) 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, 374669889 + ... + 374669902.

It is an arithmetic number, because the mean of its divisors is an integer number (1498679584).

Almost surely, 2^5245378537 is an apocalyptic number.

It is an amenable number.

5245378537 is a deficient number, since it is larger than the sum of its proper divisors (749339799).

5245378537 is an equidigital number, since it uses as much as digits as its factorization.

5245378537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749339798.

The product of its digits is 3528000, while the sum is 49.

The square root of 5245378537 is about 72424.9855850866. The cubic root of 5245378537 is about 1737.5031940455.

The spelling of 5245378537 in words is "five billion, two hundred forty-five million, three hundred seventy-eight thousand, five hundred thirty-seven".