1957925 has 6 divisors (see below), whose sum is σ = 2427858. Its totient is φ = 1566320.

The previous prime is 1957913. The next prime is 1957937. The reversal of 1957925 is 5297591.

It is an interprime number because it is at equal distance from previous prime (1957913) and next prime (1957937).

It can be written as a sum of positive squares in 3 ways, for example, as 124609 + 1833316 = 353^2 + 1354^2 .

It is not a de Polignac number, because 1957925 - 2⁴ = 1957909 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39134 + ... + 39183.

It is an arithmetic number, because the mean of its divisors is an integer number (404643).

2^1957925 is an apocalyptic number.

It is an amenable number.

1957925 is a deficient number, since it is larger than the sum of its proper divisors (469933).

1957925 is an equidigital number, since it uses as much as digits as its factorization.

1957925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78327 (or 78322 counting only the distinct ones).

The product of its digits is 28350, while the sum is 38.

The square root of 1957925 is about 1399.2587323294. The cubic root of 1957925 is about 125.1023162283.

It can be divided in two parts, 1957 and 925, that added together give a palindrome (2882).

The spelling of 1957925 in words is "one million, nine hundred fifty-seven thousand, nine hundred twenty-five".