1325269946 has 64 divisors (see below), whose sum is σ = 2685553920. Its totient is φ = 476498880.

The previous prime is 1325269943. The next prime is 1325269949. The reversal of 1325269946 is 6499625231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1325269943) and next prime (1325269949).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325269946.

It is not an unprimeable number, because it can be changed into a prime (1325269943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336380 + ... + 340296.

It is an arithmetic number, because the mean of its divisors is an integer number (41961780).

Almost surely, 2^1325269946 is an apocalyptic number.

1325269946 is an abundant number, since it is smaller than the sum of its proper divisors (1360283974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325269946 is a wasteful number, since it uses less digits than its factorization.

1325269946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3950 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 1325269946 is about 36404.2572510414. The cubic root of 1325269946 is about 1098.4192020681.

The spelling of 1325269946 in words is "one billion, three hundred twenty-five million, two hundred sixty-nine thousand, nine hundred forty-six".