2525138752357 has 4 divisors (see below), whose sum is σ = 2719380194860. Its totient is φ = 2330897309856.

The previous prime is 2525138752289. The next prime is 2525138752399. The reversal of 2525138752357 is 7532578315252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 878551910721 + 1646586841636 = 937311^2 + 1283194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525138752357 - 2¹⁵ = 2525138719589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2525138752298 and 2525138752307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525138750357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97120721232 + ... + 97120721257.

It is an arithmetic number, because the mean of its divisors is an integer number (679845048715).

Almost surely, 2^{2525138752357} is an apocalyptic number.

It is an amenable number.

2525138752357 is a deficient number, since it is larger than the sum of its proper divisors (194241442503).

2525138752357 is a wasteful number, since it uses less digits than its factorization.

2525138752357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194241442502.

The product of its digits is 17640000, while the sum is 55.

The spelling of 2525138752357 in words is "two trillion, five hundred twenty-five billion, one hundred thirty-eight million, seven hundred fifty-two thousand, three hundred fifty-seven".