1395297526 has 16 divisors (see below), whose sum is σ = 2422218240. Its totient is φ = 590414760.

The previous prime is 1395297523. The next prime is 1395297529. The reversal of 1395297526 is 6257925931.

It is an interprime number because it is at equal distance from previous prime (1395297523) and next prime (1395297529).

It is a self number, because there is not a number n which added to its sum of digits gives 1395297526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395297521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629680 + ... + 631891.

It is an arithmetic number, because the mean of its divisors is an integer number (151388640).

Almost surely, 2^1395297526 is an apocalyptic number.

1395297526 is a deficient number, since it is larger than the sum of its proper divisors (1026920714).

1395297526 is a wasteful number, since it uses less digits than its factorization.

1395297526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261659.

The product of its digits is 1020600, while the sum is 49.

The square root of 1395297526 is about 37353.6815588504. The cubic root of 1395297526 is about 1117.4350119274.

The spelling of 1395297526 in words is "one billion, three hundred ninety-five million, two hundred ninety-seven thousand, five hundred twenty-six".