2652439397 has 2 divisors, whose sum is σ = 2652439398. Its totient is φ = 2652439396.

The previous prime is 2652439369. The next prime is 2652439421. The reversal of 2652439397 is 7939342562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2648749156 + 3690241 = 51466^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 2652439397 - 2⁶ = 2652439333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2652439357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326219698 + 1326219699.

It is an arithmetic number, because the mean of its divisors is an integer number (1326219699).

Almost surely, 2^2652439397 is an apocalyptic number.

It is an amenable number.

2652439397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2652439397 is an equidigital number, since it uses as much as digits as its factorization.

2652439397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 50.

The square root of 2652439397 is about 51501.8387729992. The cubic root of 2652439397 is about 1384.2519903591.

The spelling of 2652439397 in words is "two billion, six hundred fifty-two million, four hundred thirty-nine thousand, three hundred ninety-seven".