2515940057 has 2 divisors, whose sum is σ = 2515940058. Its totient is φ = 2515940056.

The previous prime is 2515940047. The next prime is 2515940093. The reversal of 2515940057 is 7500495152.

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., 1623364681 + 892575376 = 40291^2 + 29876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515940057 - 2¹⁶ = 2515874521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2515940057.

It is not a weakly prime, because it can be changed into another prime (2515940027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257970028 + 1257970029.

It is an arithmetic number, because the mean of its divisors is an integer number (1257970029).

Almost surely, 2^2515940057 is an apocalyptic number.

It is an amenable number.

2515940057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515940057 is an equidigital number, since it uses as much as digits as its factorization.

2515940057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 2515940057 is about 50159.1472913964. The cubic root of 2515940057 is about 1360.0872307443.

The spelling of 2515940057 in words is "two billion, five hundred fifteen million, nine hundred forty thousand, fifty-seven".