2573420537 has 2 divisors, whose sum is σ = 2573420538. Its totient is φ = 2573420536.

The previous prime is 2573420519. The next prime is 2573420569. The reversal of 2573420537 is 7350243752.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2570895616 + 2524921 = 50704^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573420537 - 2¹⁴ = 2573404153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2573420537.

It is not a weakly prime, because it can be changed into another prime (2573428537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286710268 + 1286710269.

It is an arithmetic number, because the mean of its divisors is an integer number (1286710269).

Almost surely, 2^2573420537 is an apocalyptic number.

It is an amenable number.

2573420537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573420537 is an equidigital number, since it uses as much as digits as its factorization.

2573420537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 38.

The square root of 2573420537 is about 50728.8925268431. The cubic root of 2573420537 is about 1370.3670916764.

The spelling of 2573420537 in words is "two billion, five hundred seventy-three million, four hundred twenty thousand, five hundred thirty-seven".