1465256901 has 8 divisors (see below), whose sum is σ = 1954199104. Its totient is φ = 976576320.

The previous prime is 1465256899. The next prime is 1465256909. The reversal of 1465256901 is 1096525641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1465256901 - 2¹ = 1465256899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1465256901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465256909) 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, 51940 + ... + 75021.

It is an arithmetic number, because the mean of its divisors is an integer number (244274888).

Almost surely, 2^1465256901 is an apocalyptic number.

It is an amenable number.

1465256901 is a deficient number, since it is larger than the sum of its proper divisors (488942203).

1465256901 is a wasteful number, since it uses less digits than its factorization.

1465256901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130811.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1465256901 is about 38278.6742325280. The cubic root of 1465256901 is about 1135.8071331327.

The spelling of 1465256901 in words is "one billion, four hundred sixty-five million, two hundred fifty-six thousand, nine hundred one".