615250226225249 has 2 divisors, whose sum is σ = 615250226225250. Its totient is φ = 615250226225248.

The previous prime is 615250226225113. The next prime is 615250226225321. The reversal of 615250226225249 is 942522622052516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604071447958225 + 11178778267024 = 24577865^2 + 3343468^2 .

It is a cyclic number.

It is not a de Polignac number, because 615250226225249 - 2³² = 615245931257953 is a prime.

It is a super-2 number, since 2×615250226225249² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 615250226225249.

It is not a weakly prime, because it can be changed into another prime (615250246225249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307625113112624 + 307625113112625.

It is an arithmetic number, because the mean of its divisors is an integer number (307625113112625).

Almost surely, 2^{615250226225249} is an apocalyptic number.

It is an amenable number.

615250226225249 is a deficient number, since it is larger than the sum of its proper divisors (1).

615250226225249 is an equidigital number, since it uses as much as digits as its factorization.

615250226225249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 615250226225249 in words is "six hundred fifteen trillion, two hundred fifty billion, two hundred twenty-six million, two hundred twenty-five thousand, two hundred forty-nine".