7249501 has 6 divisors (see below), whose sum is σ = 8433150. Its totient is φ = 6213816.

The previous prime is 7249493. The next prime is 7249511. The reversal of 7249501 is 1059427.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7150276 + 99225 = 2674^2 + 315^2 .

It is not a de Polignac number, because 7249501 - 2³ = 7249493 is a prime.

It is a super-3 number, since 3×7249501³ (a number of 22 digits) contains 333 as substring.

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 7249501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73926 + ... + 74023.

It is an arithmetic number, because the mean of its divisors is an integer number (1405525).

Almost surely, 2^7249501 is an apocalyptic number.

It is an amenable number.

7249501 is a deficient number, since it is larger than the sum of its proper divisors (1183649).

7249501 is a wasteful number, since it uses less digits than its factorization.

7249501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147963 (or 147956 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7249501 is about 2692.4897399990. The cubic root of 7249501 is about 193.5393915446.

It can be divided in two parts, 7249 and 501, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 7249501 in words is "seven million, two hundred forty-nine thousand, five hundred one".