2150400517 has 2 divisors, whose sum is σ = 2150400518. Its totient is φ = 2150400516.

The previous prime is 2150400503. The next prime is 2150400587. The reversal of 2150400517 is 7150040512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1741309441 + 409091076 = 41729^2 + 20226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150400517 - 2¹¹ = 2150398469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150400491 and 2150400500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150400587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075200258 + 1075200259.

It is an arithmetic number, because the mean of its divisors is an integer number (1075200259).

Almost surely, 2^2150400517 is an apocalyptic number.

It is an amenable number.

2150400517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150400517 is an equidigital number, since it uses as much as digits as its factorization.

2150400517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 2150400517 is about 46372.4111622417. The cubic root of 2150400517 is about 1290.7430202599.

The spelling of 2150400517 in words is "two billion, one hundred fifty million, four hundred thousand, five hundred seventeen".