8249913541 has 2 divisors, whose sum is σ = 8249913542. Its totient is φ = 8249913540.

The previous prime is 8249913499. The next prime is 8249913547. The reversal of 8249913541 is 1453199428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7340891041 + 909022500 = 85679^2 + 30150^2 .

It is a cyclic number.

It is not a de Polignac number, because 8249913541 - 2¹⁵ = 8249880773 is a prime.

It is a super-2 number, since 2×8249913541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8249913491 and 8249913500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8249913547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4124956770 + 4124956771.

It is an arithmetic number, because the mean of its divisors is an integer number (4124956771).

Almost surely, 2^8249913541 is an apocalyptic number.

It is an amenable number.

8249913541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8249913541 is an equidigital number, since it uses as much as digits as its factorization.

8249913541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 8249913541 is about 90829.0346805469. The cubic root of 8249913541 is about 2020.6129516688.

The spelling of 8249913541 in words is "eight billion, two hundred forty-nine million, nine hundred thirteen thousand, five hundred forty-one".